diff --git a/.ci-config/rippled.cfg b/.ci-config/rippled.cfg
index 2f676d08f..69daa9331 100644
--- a/.ci-config/rippled.cfg
+++ b/.ci-config/rippled.cfg
@@ -182,6 +182,15 @@ PriceOracle
 fixEmptyDID
 fixXChainRewardRounding
 fixPreviousTxnID
+# 2.3.0-rc1 Amendments
+fixAMMv1_1
+Credentials
+NFTokenMintOffer
+MPTokensV1
+fixNFTokenPageLinks
+fixInnerObjTemplate2
+fixEnforceNFTokenTrustline
+fixReducedOffersV2
 
 # This section can be used to simulate various FeeSettings scenarios for rippled node in standalone mode
 [voting]
diff --git a/.github/workflows/integration_test.yml b/.github/workflows/integration_test.yml
index ad3c9736a..f5ec5bc8d 100644
--- a/.github/workflows/integration_test.yml
+++ b/.github/workflows/integration_test.yml
@@ -2,7 +2,7 @@ name: Integration test
 
 env:
   POETRY_VERSION: 1.8.3
-  RIPPLED_DOCKER_IMAGE: rippleci/rippled:2.2.0-b3
+  RIPPLED_DOCKER_IMAGE: rippleci/rippled:2.3.0-rc1
 
 on:
   push:
@@ -32,7 +32,7 @@ jobs:
 
       - name: Run docker in background
         run: |
-          docker run --detach --rm --name rippled-service -p 5005:5005 -p 6006:6006 --volume "${{ github.workspace }}/.ci-config/":"/opt/ripple/etc/" --health-cmd="wget localhost:6006 || exit 1" --health-interval=5s --health-retries=10 --health-timeout=2s --env GITHUB_ACTIONS=true --env CI=true ${{ env.RIPPLED_DOCKER_IMAGE }} /opt/ripple/bin/rippled -a --conf /opt/ripple/etc/rippled.cfg
+          docker run --detach --rm -p 5005:5005 -p 6006:6006 --volume "${{ github.workspace }}/.ci-config/":"/etc/opt/ripple/" --name rippled-service --health-cmd="rippled server_nfo || exit 1" --health-interval=5s --health-retries=10 --health-timeout=2s --env GITHUB_ACTIONS=true --env CI=true --entrypoint bash ${{ env.RIPPLED_DOCKER_IMAGE }} -c "rippled -a"
 
       - name: Install poetry
         if: steps.cache-poetry.outputs.cache-hit != 'true'
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6f8d11bc3..4368577ab 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [[Unreleased]]
 
 ### Added
+- Support for the Multi-Purpose Tokens (MPT) amendment (XLS-33)
 - Add `include_deleted` to ledger_entry request
 
 ### BREAKING CHANGE:
diff --git a/poetry.lock b/poetry.lock
index e6133011d..693382c4e 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 1.8.3 and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.8.4 and should not be changed by hand.
 
 [[package]]
 name = "aiounittest"
@@ -410,11 +410,8 @@ name = "docutils"
 version = "0.20.1"
 description = "Docutils -- Python Documentation Utilities"
 optional = false
-python-versions = ">=3.7"
-files = [
-    {file = "docutils-0.20.1-py3-none-any.whl", hash = "sha256:96f387a2c5562db4476f09f13bbab2192e764cac08ebbf3a34a95d9b1e4a59d6"},
-    {file = "docutils-0.20.1.tar.gz", hash = "sha256:f08a4e276c3a1583a86dce3e34aba3fe04d02bba2dd51ed16106244e8a923e3b"},
-]
+python-versions = "*"
+files = []
 
 [[package]]
 name = "ecpy"
@@ -551,13 +548,13 @@ files = [
 
 [[package]]
 name = "httpcore"
-version = "1.0.6"
+version = "1.0.7"
 description = "A minimal low-level HTTP client."
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "httpcore-1.0.6-py3-none-any.whl", hash = "sha256:27b59625743b85577a8c0e10e55b50b5368a4f2cfe8cc7bcfa9cf00829c2682f"},
-    {file = "httpcore-1.0.6.tar.gz", hash = "sha256:73f6dbd6eb8c21bbf7ef8efad555481853f5f6acdeaff1edb0694289269ee17f"},
+    {file = "httpcore-1.0.7-py3-none-any.whl", hash = "sha256:a3fff8f43dc260d5bd363d9f9cf1830fa3a458b332856f34282de498ed420edd"},
+    {file = "httpcore-1.0.7.tar.gz", hash = "sha256:8551cb62a169ec7162ac7be8d4817d561f60e08eaa485234898414bb5a8a0b4c"},
 ]
 
 [package.dependencies]
@@ -572,13 +569,13 @@ trio = ["trio (>=0.22.0,<1.0)"]
 
 [[package]]
 name = "httpx"
-version = "0.28.0"
+version = "0.28.1"
 description = "The next generation HTTP client."
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "httpx-0.28.0-py3-none-any.whl", hash = "sha256:dc0b419a0cfeb6e8b34e85167c0da2671206f5095f1baa9663d23bcfd6b535fc"},
-    {file = "httpx-0.28.0.tar.gz", hash = "sha256:0858d3bab51ba7e386637f22a61d8ccddaeec5f3fe4209da3a6168dbb91573e0"},
+    {file = "httpx-0.28.1-py3-none-any.whl", hash = "sha256:d909fcccc110f8c7faf814ca82a9a4d816bc5a6dbfea25d6591d6985b8ba59ad"},
+    {file = "httpx-0.28.1.tar.gz", hash = "sha256:75e98c5f16b0f35b567856f597f06ff2270a374470a5c2392242528e3e3e42fc"},
 ]
 
 [package.dependencies]
@@ -819,13 +816,13 @@ files = [
 
 [[package]]
 name = "packaging"
-version = "24.1"
+version = "24.2"
 description = "Core utilities for Python packages"
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "packaging-24.1-py3-none-any.whl", hash = "sha256:5b8f2217dbdbd2f7f384c41c628544e6d52f2d0f53c6d0c3ea61aa5d1d7ff124"},
-    {file = "packaging-24.1.tar.gz", hash = "sha256:026ed72c8ed3fcce5bf8950572258698927fd1dbda10a5e981cdf0ac37f4f002"},
+    {file = "packaging-24.2-py3-none-any.whl", hash = "sha256:09abb1bccd265c01f4a3aa3f7a7db064b36514d2cba19a2f694fe6150451a759"},
+    {file = "packaging-24.2.tar.gz", hash = "sha256:c228a6dc5e932d346bc5739379109d49e8853dd8223571c7c5b55260edc0b97f"},
 ]
 
 [[package]]
@@ -1254,13 +1251,43 @@ test = ["pytest"]
 
 [[package]]
 name = "tomli"
-version = "2.0.2"
+version = "2.2.1"
 description = "A lil' TOML parser"
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "tomli-2.0.2-py3-none-any.whl", hash = "sha256:2ebe24485c53d303f690b0ec092806a085f07af5a5aa1464f3931eec36caaa38"},
-    {file = "tomli-2.0.2.tar.gz", hash = "sha256:d46d457a85337051c36524bc5349dd91b1877838e2979ac5ced3e710ed8a60ed"},
+    {file = "tomli-2.2.1-cp311-cp311-macosx_10_9_x86_64.whl", hash = "sha256:678e4fa69e4575eb77d103de3df8a895e1591b48e740211bd1067378c69e8249"},
+    {file = "tomli-2.2.1-cp311-cp311-macosx_11_0_arm64.whl", hash = "sha256:023aa114dd824ade0100497eb2318602af309e5a55595f76b626d6d9f3b7b0a6"},
+    {file = "tomli-2.2.1-cp311-cp311-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:ece47d672db52ac607a3d9599a9d48dcb2f2f735c6c2d1f34130085bb12b112a"},
+    {file = "tomli-2.2.1-cp311-cp311-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:6972ca9c9cc9f0acaa56a8ca1ff51e7af152a9f87fb64623e31d5c83700080ee"},
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+    {file = "tomli-2.2.1-py3-none-any.whl", hash = "sha256:cb55c73c5f4408779d0cf3eef9f762b9c9f147a77de7b258bef0a5628adc85cc"},
+    {file = "tomli-2.2.1.tar.gz", hash = "sha256:cd45e1dc79c835ce60f7404ec8119f2eb06d38b1deba146f07ced3bbc44505ff"},
 ]
 
 [[package]]
@@ -1399,81 +1426,76 @@ files = [
 
 [[package]]
 name = "wrapt"
-version = "1.16.0"
+version = "1.17.0"
 description = "Module for decorators, wrappers and monkey patching."
 optional = false
-python-versions = ">=3.6"
+python-versions = ">=3.8"
 files = [
-    {file = "wrapt-1.16.0-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:ffa565331890b90056c01db69c0fe634a776f8019c143a5ae265f9c6bc4bd6d4"},
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+    {file = "wrapt-1.17.0-cp38-cp38-manylinux_2_5_x86_64.manylinux1_x86_64.manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:a8fc931382e56627ec4acb01e09ce66e5c03c384ca52606111cee50d931a342d"},
+    {file = "wrapt-1.17.0-cp38-cp38-musllinux_1_2_aarch64.whl", hash = "sha256:8f8909cdb9f1b237786c09a810e24ee5e15ef17019f7cecb207ce205b9b5fcce"},
+    {file = "wrapt-1.17.0-cp38-cp38-musllinux_1_2_i686.whl", hash = "sha256:ad47b095f0bdc5585bced35bd088cbfe4177236c7df9984b3cc46b391cc60627"},
+    {file = "wrapt-1.17.0-cp38-cp38-musllinux_1_2_x86_64.whl", hash = "sha256:948a9bd0fb2c5120457b07e59c8d7210cbc8703243225dbd78f4dfc13c8d2d1f"},
+    {file = "wrapt-1.17.0-cp38-cp38-win32.whl", hash = "sha256:5ae271862b2142f4bc687bdbfcc942e2473a89999a54231aa1c2c676e28f29ea"},
+    {file = "wrapt-1.17.0-cp38-cp38-win_amd64.whl", hash = "sha256:f335579a1b485c834849e9075191c9898e0731af45705c2ebf70e0cd5d58beed"},
+    {file = "wrapt-1.17.0-cp39-cp39-macosx_11_0_arm64.whl", hash = "sha256:d751300b94e35b6016d4b1e7d0e7bbc3b5e1751e2405ef908316c2a9024008a1"},
+    {file = "wrapt-1.17.0-cp39-cp39-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:7264cbb4a18dc4acfd73b63e4bcfec9c9802614572025bdd44d0721983fc1d9c"},
+    {file = "wrapt-1.17.0-cp39-cp39-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:33539c6f5b96cf0b1105a0ff4cf5db9332e773bb521cc804a90e58dc49b10578"},
+    {file = "wrapt-1.17.0-cp39-cp39-manylinux_2_5_x86_64.manylinux1_x86_64.manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:c30970bdee1cad6a8da2044febd824ef6dc4cc0b19e39af3085c763fdec7de33"},
+    {file = "wrapt-1.17.0-cp39-cp39-musllinux_1_2_aarch64.whl", hash = "sha256:bc7f729a72b16ee21795a943f85c6244971724819819a41ddbaeb691b2dd85ad"},
+    {file = "wrapt-1.17.0-cp39-cp39-musllinux_1_2_i686.whl", hash = "sha256:6ff02a91c4fc9b6a94e1c9c20f62ea06a7e375f42fe57587f004d1078ac86ca9"},
+    {file = "wrapt-1.17.0-cp39-cp39-musllinux_1_2_x86_64.whl", hash = "sha256:2dfb7cff84e72e7bf975b06b4989477873dcf160b2fd89959c629535df53d4e0"},
+    {file = "wrapt-1.17.0-cp39-cp39-win32.whl", hash = "sha256:2399408ac33ffd5b200480ee858baa58d77dd30e0dd0cab6a8a9547135f30a88"},
+    {file = "wrapt-1.17.0-cp39-cp39-win_amd64.whl", hash = "sha256:4f763a29ee6a20c529496a20a7bcb16a73de27f5da6a843249c7047daf135977"},
+    {file = "wrapt-1.17.0-py3-none-any.whl", hash = "sha256:d2c63b93548eda58abf5188e505ffed0229bf675f7c3090f8e36ad55b8cbc371"},
+    {file = "wrapt-1.17.0.tar.gz", hash = "sha256:16187aa2317c731170a88ef35e8937ae0f533c402872c1ee5e6d079fcf320801"},
 ]
 
 [[package]]
@@ -1498,4 +1520,4 @@ type = ["pytest-mypy"]
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.8.1,<4.0"
-content-hash = "77428f3bbd5ed6d983c4a5f86988ad3657704ba8bf489189b33ceaeadfe9db7c"
+content-hash = "6b2338dda53ffd9ba9c96e975584987377cca35a12d49e0fa61e0679396d800c"
diff --git a/pyproject.toml b/pyproject.toml
index cc6bfa620..f57081b7b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "xrpl-py"
-version = "3.0.0"
+version = "4.0.0"
 description = "A complete Python library for interacting with the XRP ledger"
 readme = "README.md"
 repository = "https://github.com/XRPLF/xrpl-py"
@@ -50,6 +50,9 @@ coverage = "^7.2.7"
 Sphinx = "^7.1.2"
 poethepoet = "^0.30.0"
 
+[tool.poetry.group.dev.dependencies]
+packaging = "^24.1"
+
 [tool.isort]
 # Make sure that isort's settings line up with black
 profile = "black"
diff --git a/tests/integration/transactions/test_clawback.py b/tests/integration/transactions/test_clawback.py
index dff68e264..d6ddec026 100644
--- a/tests/integration/transactions/test_clawback.py
+++ b/tests/integration/transactions/test_clawback.py
@@ -1,6 +1,7 @@
 from tests.integration.integration_test_case import IntegrationTestCase
 from tests.integration.it_utils import (
     fund_wallet,
+    fund_wallet_async,
     sign_and_reliable_submission_async,
     test_async_and_sync,
 )
@@ -10,10 +11,18 @@
     AccountSetAsfFlag,
     Clawback,
     IssuedCurrencyAmount,
+    MPTAmount,
     Payment,
     TrustSet,
     TrustSetFlag,
 )
+from xrpl.models.requests import LedgerEntry, Tx
+from xrpl.models.requests.ledger_entry import MPToken
+from xrpl.models.transactions import (
+    MPTokenAuthorize,
+    MPTokenIssuanceCreate,
+    MPTokenIssuanceCreateFlag,
+)
 from xrpl.wallet import Wallet
 
 HOLDER = Wallet.create()
@@ -71,3 +80,91 @@ async def test_basic_functionality(self, client):
             client,
         )
         self.assertTrue(response.is_successful())
+
+    @test_async_and_sync(globals())
+    async def test_mptoken(self, client):
+        wallet2 = Wallet.create()
+        await fund_wallet_async(wallet2)
+
+        tx = MPTokenIssuanceCreate(
+            account=WALLET.classic_address,
+            flags=MPTokenIssuanceCreateFlag.TF_MPT_CAN_CLAWBACK,
+        )
+
+        create_res = await sign_and_reliable_submission_async(
+            tx,
+            WALLET,
+            client,
+        )
+
+        self.assertTrue(create_res.is_successful())
+        self.assertEqual(create_res.result["engine_result"], "tesSUCCESS")
+
+        tx_hash = create_res.result["tx_json"]["hash"]
+
+        tx_res = await client.request(Tx(transaction=tx_hash))
+        mpt_issuance_id = tx_res.result["meta"]["mpt_issuance_id"]
+
+        auth_tx = MPTokenAuthorize(
+            account=wallet2.classic_address,
+            mptoken_issuance_id=mpt_issuance_id,
+        )
+
+        auth_res = await sign_and_reliable_submission_async(
+            auth_tx,
+            wallet2,
+            client,
+        )
+
+        self.assertTrue(auth_res.is_successful())
+        self.assertEqual(auth_res.result["engine_result"], "tesSUCCESS")
+
+        await sign_and_reliable_submission_async(
+            Payment(
+                account=WALLET.classic_address,
+                destination=wallet2.classic_address,
+                amount=MPTAmount(
+                    mpt_issuance_id=mpt_issuance_id, value="9223372036854775807"
+                ),
+            ),
+            WALLET,
+        )
+
+        ledger_entry_res = await client.request(
+            LedgerEntry(
+                mptoken=MPToken(
+                    mpt_issuance_id=mpt_issuance_id, account=wallet2.classic_address
+                )
+            )
+        )
+        self.assertEqual(
+            ledger_entry_res.result["node"]["MPTAmount"], "9223372036854775807"
+        )
+
+        # actual test - clawback
+        response = await sign_and_reliable_submission_async(
+            Clawback(
+                account=WALLET.classic_address,
+                amount=MPTAmount(
+                    mpt_issuance_id=mpt_issuance_id,
+                    value="500",
+                ),
+                holder=wallet2.classic_address,
+            ),
+            WALLET,
+            client,
+        )
+
+        self.assertTrue(response.is_successful())
+        self.assertEqual(auth_res.result["engine_result"], "tesSUCCESS")
+
+        ledger_entry_res = await client.request(
+            LedgerEntry(
+                mptoken=MPToken(
+                    mpt_issuance_id=mpt_issuance_id, account=wallet2.classic_address
+                )
+            )
+        )
+        self.assertEqual(
+            ledger_entry_res.result["node"]["MPTAmount"], "9223372036854775307"
+        )
diff --git a/tests/integration/transactions/test_mptoken_authorize.py b/tests/integration/transactions/test_mptoken_authorize.py
new file mode 100644
index 000000000..788c4cfc4
--- /dev/null
+++ b/tests/integration/transactions/test_mptoken_authorize.py
@@ -0,0 +1,112 @@
+from tests.integration.integration_test_case import IntegrationTestCase
+from tests.integration.it_utils import (
+    fund_wallet_async,
+    sign_and_reliable_submission_async,
+    test_async_and_sync,
+)
+from tests.integration.reusable_values import WALLET
+from xrpl.models.requests.account_objects import AccountObjects, AccountObjectType
+from xrpl.models.requests.tx import Tx
+from xrpl.models.transactions import (
+    MPTokenAuthorize,
+    MPTokenAuthorizeFlag,
+    MPTokenIssuanceCreate,
+    MPTokenIssuanceCreateFlag,
+)
+from xrpl.wallet.main import Wallet
+
+
+class TestMPTokenAuthorize(IntegrationTestCase):
+    @test_async_and_sync(globals())
+    async def test_basic_functionality(self, client):
+        tx = MPTokenIssuanceCreate(
+            account=WALLET.classic_address,
+            flags=MPTokenIssuanceCreateFlag.TF_MPT_REQUIRE_AUTH,
+        )
+
+        create_res = await sign_and_reliable_submission_async(
+            tx,
+            WALLET,
+            client,
+        )
+
+        self.assertTrue(create_res.is_successful())
+        self.assertEqual(create_res.result["engine_result"], "tesSUCCESS")
+
+        tx_hash = create_res.result["tx_json"]["hash"]
+
+        tx_res = await client.request(Tx(transaction=tx_hash))
+        mpt_issuance_id = tx_res.result["meta"]["mpt_issuance_id"]
+
+        # confirm MPTokenIssuance ledger object was created
+        account_objects_response = await client.request(
+            AccountObjects(account=WALLET.address, type=AccountObjectType.MPT_ISSUANCE)
+        )
+
+        # subsequent integration tests (sync/async + json/websocket) add one
+        # MPTokenIssuance object to the account
+        self.assertTrue(len(account_objects_response.result["account_objects"]) > 0)
+
+        wallet2 = Wallet.create()
+        await fund_wallet_async(wallet2)
+
+        auth_tx = MPTokenAuthorize(
+            account=wallet2.classic_address,
+            mptoken_issuance_id=mpt_issuance_id,
+        )
+
+        auth_res = await sign_and_reliable_submission_async(
+            auth_tx,
+            wallet2,
+            client,
+        )
+
+        self.assertTrue(auth_res.is_successful())
+        self.assertEqual(auth_res.result["engine_result"], "tesSUCCESS")
+
+        # confirm MPToken ledger object was created
+        account_objects_response2 = await client.request(
+            AccountObjects(account=wallet2.address, type=AccountObjectType.MPTOKEN)
+        )
+
+        # subsequent integration tests (sync/async + json/websocket) add one
+        # MPToken object to the account
+        self.assertTrue(len(account_objects_response2.result["account_objects"]) > 0)
+
+        auth_tx2 = MPTokenAuthorize(
+            account=WALLET.classic_address,
+            mptoken_issuance_id=mpt_issuance_id,
+            holder=wallet2.classic_address,
+        )
+
+        auth_res2 = await sign_and_reliable_submission_async(
+            auth_tx2,
+            WALLET,
+            client,
+        )
+
+        self.assertTrue(auth_res2.is_successful())
+        self.assertEqual(auth_res2.result["engine_result"], "tesSUCCESS")
+
+        auth_tx3 = MPTokenAuthorize(
+            account=wallet2.classic_address,
+            mptoken_issuance_id=mpt_issuance_id,
+            flags=MPTokenAuthorizeFlag.TF_MPT_UNAUTHORIZE,
+        )
+
+        auth_res3 = await sign_and_reliable_submission_async(
+            auth_tx3,
+            wallet2,
+            client,
+        )
+
+        self.assertTrue(auth_res3.is_successful())
+        self.assertEqual(auth_res3.result["engine_result"], "tesSUCCESS")
+
+        # confirm MPToken ledger object is removed
+        account_objects_response3 = await client.request(
+            AccountObjects(account=wallet2.address, type=AccountObjectType.MPTOKEN)
+        )
+
+        # Should no longer hold an MPToken ledger object
+        self.assertTrue(len(account_objects_response3.result["account_objects"]) == 0)
diff --git a/tests/integration/transactions/test_mptoken_issuance_create.py b/tests/integration/transactions/test_mptoken_issuance_create.py
new file mode 100644
index 000000000..6f47801d5
--- /dev/null
+++ b/tests/integration/transactions/test_mptoken_issuance_create.py
@@ -0,0 +1,36 @@
+from tests.integration.integration_test_case import IntegrationTestCase
+from tests.integration.it_utils import (
+    sign_and_reliable_submission_async,
+    test_async_and_sync,
+)
+from tests.integration.reusable_values import WALLET
+from xrpl.models.requests.account_objects import AccountObjects, AccountObjectType
+from xrpl.models.transactions import MPTokenIssuanceCreate
+
+
+class TestMPTokenIssuanceCreate(IntegrationTestCase):
+    @test_async_and_sync(globals())
+    async def test_basic_functionality(self, client):
+        tx = MPTokenIssuanceCreate(
+            account=WALLET.classic_address,
+            maximum_amount="9223372036854775807",  # "7fffffffffffffff"
+            asset_scale=2,
+        )
+
+        response = await sign_and_reliable_submission_async(
+            tx,
+            WALLET,
+            client,
+        )
+
+        self.assertTrue(response.is_successful())
+        self.assertEqual(response.result["engine_result"], "tesSUCCESS")
+
+        # confirm MPTokenIssuance ledger object was created
+        account_objects_response = await client.request(
+            AccountObjects(account=WALLET.address, type=AccountObjectType.MPT_ISSUANCE)
+        )
+
+        # subsequent integration tests (sync/async + json/websocket) add one
+        # MPTokenIssuance object to the account
+        self.assertTrue(len(account_objects_response.result["account_objects"]) > 0)
diff --git a/tests/integration/transactions/test_mptoken_issuance_destroy.py b/tests/integration/transactions/test_mptoken_issuance_destroy.py
new file mode 100644
index 000000000..996682c13
--- /dev/null
+++ b/tests/integration/transactions/test_mptoken_issuance_destroy.py
@@ -0,0 +1,64 @@
+from tests.integration.integration_test_case import IntegrationTestCase
+from tests.integration.it_utils import (
+    sign_and_reliable_submission_async,
+    test_async_and_sync,
+)
+from tests.integration.reusable_values import WALLET
+from xrpl.models.requests.account_objects import AccountObjects, AccountObjectType
+from xrpl.models.requests.tx import Tx
+from xrpl.models.transactions import MPTokenIssuanceCreate, MPTokenIssuanceDestroy
+
+
+class TestMPTokenIssuanceDestroy(IntegrationTestCase):
+    @test_async_and_sync(globals())
+    async def test_basic_functionality(self, client):
+        tx = MPTokenIssuanceCreate(
+            account=WALLET.classic_address,
+        )
+
+        create_res = await sign_and_reliable_submission_async(
+            tx,
+            WALLET,
+            client,
+        )
+
+        self.assertTrue(create_res.is_successful())
+        self.assertEqual(create_res.result["engine_result"], "tesSUCCESS")
+
+        tx_hash = create_res.result["tx_json"]["hash"]
+
+        tx_res = await client.request(Tx(transaction=tx_hash))
+        mpt_issuance_id = tx_res.result["meta"]["mpt_issuance_id"]
+
+        # confirm MPTokenIssuance ledger object was created
+        account_objects_response = await client.request(
+            AccountObjects(
+                account=WALLET.classic_address, type=AccountObjectType.MPT_ISSUANCE
+            )
+        )
+
+        # subsequent integration tests (sync/async + json/websocket) add one
+        # MPTokenIssuance object to the account
+        self.assertTrue(len(account_objects_response.result["account_objects"]) > 0)
+
+        destroy_res = await sign_and_reliable_submission_async(
+            MPTokenIssuanceDestroy(
+                account=WALLET.classic_address,
+                mptoken_issuance_id=mpt_issuance_id,
+            ),
+            WALLET,
+            client,
+        )
+
+        self.assertTrue(destroy_res.is_successful())
+        self.assertEqual(destroy_res.result["engine_result"], "tesSUCCESS")
+
+        # confirm MPToken ledger object is removed
+        account_objects_response3 = await client.request(
+            AccountObjects(
+                account=WALLET.classic_address, type=AccountObjectType.MPTOKEN
+            )
+        )
+
+        # Should no longer hold an MPToken ledger object
+        self.assertTrue(len(account_objects_response3.result["account_objects"]) == 0)
diff --git a/tests/integration/transactions/test_mptoken_issuance_set.py b/tests/integration/transactions/test_mptoken_issuance_set.py
new file mode 100644
index 000000000..7ca5952b0
--- /dev/null
+++ b/tests/integration/transactions/test_mptoken_issuance_set.py
@@ -0,0 +1,61 @@
+from tests.integration.integration_test_case import IntegrationTestCase
+from tests.integration.it_utils import (
+    sign_and_reliable_submission_async,
+    test_async_and_sync,
+)
+from tests.integration.reusable_values import WALLET
+from xrpl.models.requests import Tx
+from xrpl.models.requests.account_objects import AccountObjects, AccountObjectType
+from xrpl.models.transactions import (
+    MPTokenIssuanceCreate,
+    MPTokenIssuanceCreateFlag,
+    MPTokenIssuanceSet,
+    MPTokenIssuanceSetFlag,
+)
+
+
+class TestMPTokenIssuanceSet(IntegrationTestCase):
+    @test_async_and_sync(globals())
+    async def test_basic_functionality(self, client):
+        tx = MPTokenIssuanceCreate(
+            account=WALLET.classic_address,
+            flags=MPTokenIssuanceCreateFlag.TF_MPT_CAN_LOCK,
+        )
+
+        create_res = await sign_and_reliable_submission_async(
+            tx,
+            WALLET,
+            client,
+        )
+
+        self.assertTrue(create_res.is_successful())
+        self.assertEqual(create_res.result["engine_result"], "tesSUCCESS")
+
+        tx_hash = create_res.result["tx_json"]["hash"]
+
+        tx_res = await client.request(Tx(transaction=tx_hash))
+        mpt_issuance_id = tx_res.result["meta"]["mpt_issuance_id"]
+
+        # confirm MPTokenIssuance ledger object was created
+        account_objects_response = await client.request(
+            AccountObjects(account=WALLET.address, type=AccountObjectType.MPT_ISSUANCE)
+        )
+
+        # subsequent integration tests (sync/async + json/websocket) add one
+        # MPTokenIssuance object to the account
+        self.assertTrue(len(account_objects_response.result["account_objects"]) > 0)
+
+        set_tx = MPTokenIssuanceSet(
+            account=WALLET.classic_address,
+            mptoken_issuance_id=mpt_issuance_id,
+            flags=MPTokenIssuanceSetFlag.TF_MPT_LOCK,
+        )
+
+        set_res = await sign_and_reliable_submission_async(
+            set_tx,
+            WALLET,
+            client,
+        )
+
+        self.assertTrue(set_res.is_successful())
+        self.assertEqual(set_res.result["engine_result"], "tesSUCCESS")
diff --git a/tests/integration/transactions/test_payment.py b/tests/integration/transactions/test_payment.py
index a4b33f914..561e42ded 100644
--- a/tests/integration/transactions/test_payment.py
+++ b/tests/integration/transactions/test_payment.py
@@ -4,8 +4,11 @@
     test_async_and_sync,
 )
 from tests.integration.reusable_values import DESTINATION, WALLET
+from xrpl.models.amounts.mpt_amount import MPTAmount
 from xrpl.models.exceptions import XRPLModelException
+from xrpl.models.requests.account_objects import AccountObjects, AccountObjectType
 from xrpl.models.transactions import Payment
+from xrpl.models.transactions.mptoken_issuance_create import MPTokenIssuanceCreate
 
 
 class TestPayment(IntegrationTestCase):
@@ -134,3 +137,45 @@ async def test_deliver_max_alias_field(self, client):
                 client,
             )
             self.assertFalse(response.is_successful())
+
+    @test_async_and_sync(globals())
+    async def test_mpt_payment(self, client):
+        tx = MPTokenIssuanceCreate(
+            account=WALLET.classic_address,
+            maximum_amount="9223372036854775807",  # "7fffffffffffffff"
+            asset_scale=2,
+        )
+
+        response = await sign_and_reliable_submission_async(
+            tx,
+            WALLET,
+            client,
+        )
+
+        self.assertTrue(response.is_successful())
+        self.assertEqual(response.result["engine_result"], "tesSUCCESS")
+
+        # confirm MPTokenIssuance ledger object was created
+        account_objects_response = await client.request(
+            AccountObjects(account=WALLET.address, type=AccountObjectType.MPT_ISSUANCE)
+        )
+
+        # subsequent integration tests (sync/async + json/websocket) add one
+        # MPTokenIssuance object to the account
+        account_objects = account_objects_response.result["account_objects"]
+        self.assertTrue(len(account_objects) > 0)
+
+        mpt_issuance_id = account_objects[0]["mpt_issuance_id"]
+
+        payment = Payment(
+            account=WALLET.address,
+            amount=MPTAmount(mpt_issuance_id=mpt_issuance_id, value="10"),
+            destination=DESTINATION.address,
+        )
+
+        response = await sign_and_reliable_submission_async(
+            payment,
+            WALLET,
+            client,
+        )
+        self.assertTrue(response.is_successful())
diff --git a/tests/unit/core/binarycodec/fixtures/data/data-driven-tests.json b/tests/unit/core/binarycodec/fixtures/data/data-driven-tests.json
index 57fbd5d9e..c235508d4 100644
--- a/tests/unit/core/binarycodec/fixtures/data/data-driven-tests.json
+++ b/tests/unit/core/binarycodec/fixtures/data/data-driven-tests.json
@@ -2762,6 +2762,14 @@
       "expected_hex": "4000000000000001",
       "is_negative": false
     },
+    {
+      "test_json": "-1",
+      "type_id": 6,
+      "is_native": true,
+      "type": "Amount",
+      "error": "Value is negative",
+      "is_negative": true
+    },
     {
       "test_json": {
         "currency": "USD",
@@ -3947,6 +3955,170 @@
       "type_specialisation_field": "TransactionResult",
       "type": "UInt8",
       "expected_hex": "8D"
+    },
+    {
+      "test_json": {
+        "mpt_issuance_id": "00002403C84A0A28E0190E208E982C352BBD5006600555CF",
+        "value": "9223372036854775808"
+      },
+      "type": "Amount",
+      "error": "Value is too large"
+    },
+    {
+      "test_json": {
+        "mpt_issuance_id": "00002403C84A0A28E0190E208E982C352BBD5006600555CF",
+        "value": "18446744073709551615"
+      },
+      "type": "Amount",
+      "error": "Value is too large"
+    },
+    {
+      "test_json": {
+        "mpt_issuance_id": "00002403C84A0A28E0190E208E982C352BBD5006600555CF",
+        "value": "-1"
+      },
+      "type": "Amount",
+      "error": "Value is negative"
+    },
+    {
+      "test_json": {
+        "mpt_issuance_id": "00002403C84A0A28E0190E208E982C352BBD5006600555CF",
+        "value": "10.1"
+      },
+      "type": "Amount",
+      "error": "Value has decimal point"
+    },
+    {
+      "test_json": {
+        "mpt_issuance_id": "10",
+        "value": "10"
+      },
+      "type": "Amount",
+      "error": "mpt_issuance_id has invalid hash length"
+    },
+    {
+      "test_json": {
+        "mpt_issuance_id": "00002403C84A0A28E0190E208E982C352BBD5006600555CF",
+        "value": "10",
+        "issuer": "rrrrrrrrrrrrrrrrrrrrBZbvji"
+      },
+      "type": "Amount",
+      "error": "Issuer not valid for MPT"
+    },
+    {
+      "test_json": {
+        "mpt_issuance_id": "00002403C84A0A28E0190E208E982C352BBD5006600555CF",
+        "value": "10",
+        "currency": "USD"
+      },
+      "type": "Amount",
+      "error": "Currency not valid for MPT"
+    },
+    {
+      "test_json": {
+        "mpt_issuance_id": "00002403C84A0A28E0190E208E982C352BBD5006600555CF",
+        "value": "a"
+      },
+      "type": "Amount",
+      "error": "Value has incorrect hex format"
+    },
+    {
+      "test_json": {
+        "mpt_issuance_id": "00002403C84A0A28E0190E208E982C352BBD5006600555CF",
+        "value": "0xy"
+      },
+      "type": "Amount",
+      "error": "Value has bad hex character"
+    },
+    {
+      "test_json": {
+        "mpt_issuance_id": "00002403C84A0A28E0190E208E982C352BBD5006600555CF",
+        "value": "/"
+      },
+      "type": "Amount",
+      "error": "Value has bad character"
+    },
+    {
+      "test_json": {
+        "mpt_issuance_id": "00002403C84A0A28E0190E208E982C352BBD5006600555CF",
+        "value": "0x8000000000000000"
+      },
+      "type": "Amount",
+      "error": "Hex value out of range"
+    },
+    {
+      "test_json": {
+        "mpt_issuance_id": "00002403C84A0A28E0190E208E982C352BBD5006600555CF",
+        "value": "0xFFFFFFFFFFFFFFFF"
+      },
+      "type": "Amount",
+      "error": "Hex value out of range"
+    },
+    {
+      "test_json": {
+        "mpt_issuance_id":"00002403C84A0A28E0190E208E982C352BBD5006600555CF",
+        "value": "9223372036854775807"
+      },
+      "type_id": 6,
+      "is_native": false,
+      "type": "Amount",
+      "expected_hex": "607FFFFFFFFFFFFFFF00002403C84A0A28E0190E208E982C352BBD5006600555CF",
+      "is_negative": false
+    },
+    {
+      "test_json": {
+        "mpt_issuance_id":"00002403C84A0A28E0190E208E982C352BBD5006600555CF",
+        "value": "0"
+      },
+      "type_id": 6,
+      "is_native": false,
+      "type": "Amount",
+      "expected_hex": "60000000000000000000002403C84A0A28E0190E208E982C352BBD5006600555CF",
+      "is_negative": false
+    },
+    {
+      "test_json": {
+        "mpt_issuance_id":"00002403C84A0A28E0190E208E982C352BBD5006600555CF",
+        "value": "-0"
+      },
+      "type_id": 6,
+      "is_native": false,
+      "type": "Amount",
+      "expected_hex": "60000000000000000000002403C84A0A28E0190E208E982C352BBD5006600555CF",
+      "is_negative": false
+    },
+    {
+      "test_json": {
+        "mpt_issuance_id":"00002403C84A0A28E0190E208E982C352BBD5006600555CF",
+        "value": "100"
+      },
+      "type_id": 6,
+      "is_native": false,
+      "type": "Amount",
+      "expected_hex": "60000000000000006400002403C84A0A28E0190E208E982C352BBD5006600555CF",
+      "is_negative": false
+    },
+    {
+      "test_json": {
+        "mpt_issuance_id":"00002403C84A0A28E0190E208E982C352BBD5006600555CF",
+        "value": "0xa"
+      },
+      "type_id": 6,
+      "is_native": false,
+      "type": "Amount",
+      "expected_hex": "60000000000000000A00002403C84A0A28E0190E208E982C352BBD5006600555CF",
+      "is_negative": false
+    },
+    {
+      "test_json": {
+        "mpt_issuance_id":"00002403C84A0A28E0190E208E982C352BBD5006600555CF",
+        "value": "0x7FFFFFFFFFFFFFFF"
+      },
+      "type_id": 6,
+      "is_native": false,
+      "type": "Amount",
+      "expected_hex": "607FFFFFFFFFFFFFFF00002403C84A0A28E0190E208E982C352BBD5006600555CF",
+      "is_negative": false
     }
   ]
 }
diff --git a/tests/unit/core/binarycodec/types/test_amount.py b/tests/unit/core/binarycodec/types/test_amount.py
index dd5099035..00246d377 100644
--- a/tests/unit/core/binarycodec/types/test_amount.py
+++ b/tests/unit/core/binarycodec/types/test_amount.py
@@ -81,6 +81,24 @@
     ["100000000000000000", "416345785D8A0000"],
 ]
 
+# [MPT dict, expected serialized hex]
+MPT_CASES = [
+    [
+        {
+            "mpt_issuance_id": "0000012FFD9EE5DA93AC614B4DB94D7E0FCE415CA51BED47",
+            "value": "1",
+        },
+        "6000000000000000010000012FFD9EE5DA93AC614B4DB94D7E0FCE415CA51BED47",
+    ],
+    [
+        {
+            "value": "9223372036854775807",
+            "mpt_issuance_id": "0000012FFD9EE5DA93AC614B4DB94D7E0FCE415CA51BED47",
+        },
+        "607FFFFFFFFFFFFFFF0000012FFD9EE5DA93AC614B4DB94D7E0FCE415CA51BED47",
+    ],
+]
+
 
 class TestAmount(TestSerializedType):
     def test_assert_xrp_is_valid_passes(self):
@@ -148,6 +166,11 @@ def test_from_value_xrp(self):
             amount_object = amount.Amount.from_value(json)
             self.assertEqual(amount_object.to_hex(), serialized)
 
+    def test_from_value_mpt(self):
+        for json, serialized in MPT_CASES:
+            amount_object = amount.Amount.from_value(json)
+            self.assertEqual(amount_object.to_hex(), serialized)
+
     def test_to_json_issued_currency(self):
         for json, serialized in IOU_CASES:
             parser = BinaryParser(serialized)
@@ -160,6 +183,12 @@ def test_to_json_xrp(self):
             amount_object = amount.Amount.from_parser(parser)
             self.assertEqual(amount_object.to_json(), json)
 
+    def test_to_json_mpt(self):
+        for json, serialized in MPT_CASES:
+            parser = BinaryParser(serialized)
+            amount_object = amount.Amount.from_parser(parser)
+            self.assertEqual(amount_object.to_json(), json)
+
     def test_fixtures(self):
         for fixture in data_driven_fixtures_for_type("Amount"):
             self.fixture_test(fixture)
diff --git a/tests/unit/core/binarycodec/types/test_hash_types.py b/tests/unit/core/binarycodec/types/test_hash_types.py
index 8fc54c68d..14ef92549 100644
--- a/tests/unit/core/binarycodec/types/test_hash_types.py
+++ b/tests/unit/core/binarycodec/types/test_hash_types.py
@@ -4,6 +4,7 @@
 from xrpl.core.binarycodec.exceptions import XRPLBinaryCodecException
 from xrpl.core.binarycodec.types.hash128 import Hash128
 from xrpl.core.binarycodec.types.hash160 import Hash160
+from xrpl.core.binarycodec.types.hash192 import Hash192
 from xrpl.core.binarycodec.types.hash256 import Hash256
 
 
@@ -67,6 +68,34 @@ def test_raises_invalid_value_type(self):
         self.assertRaises(XRPLBinaryCodecException, Hash160.from_value, invalid_value)
 
 
+class TestHash192(TestCase):
+    def setUp(self):
+        # 24 bytes, 48 nibbles
+        self.hex_192_bits = "100000000020000000003000000000400000000050000000"
+        self.parser = BinaryParser(self.hex_192_bits)
+        self.expected_width = 24
+
+    def test_constructors(self):
+        from_constructor = Hash192(bytes.fromhex(self.hex_192_bits))
+        from_value = Hash192.from_value(self.hex_192_bits)
+        from_parser = Hash192.from_parser(self.parser)
+
+        self.assertEqual(from_constructor.to_hex(), self.hex_192_bits)
+        self.assertEqual(from_value.to_hex(), self.hex_192_bits)
+        self.assertEqual(from_parser.to_hex(), self.hex_192_bits)
+
+    def test_constructor_raises_invalid_length(self):
+        # 25 bytes, 50 nibbles
+        too_many_bytes_hex = "10000000002000000000300000000040000000005000000012"
+        self.assertRaises(
+            XRPLBinaryCodecException, Hash192.from_value, too_many_bytes_hex
+        )
+
+    def test_raises_invalid_value_type(self):
+        invalid_value = 1
+        self.assertRaises(XRPLBinaryCodecException, Hash192.from_value, invalid_value)
+
+
 class TestHash256(TestCase):
     def setUp(self):
         # 32 bytes, 64 nibbles
diff --git a/tests/unit/core/binarycodec/types/test_uint.py b/tests/unit/core/binarycodec/types/test_uint.py
index 5e0cd12e8..3468d4e3f 100644
--- a/tests/unit/core/binarycodec/types/test_uint.py
+++ b/tests/unit/core/binarycodec/types/test_uint.py
@@ -43,3 +43,20 @@ def test_raises_invalid_value_type(self):
         self.assertRaises(XRPLBinaryCodecException, UInt16.from_value, invalid_value)
         self.assertRaises(XRPLBinaryCodecException, UInt32.from_value, invalid_value)
         self.assertRaises(XRPLBinaryCodecException, UInt64.from_value, invalid_value)
+
+    def test_uint64_parsed_as_base10_for_MPT_amounts(self):
+        maximum_amount_hex_encoded = UInt64.from_value(
+            "9223372036854775807", "MaximumAmount"
+        )
+        outstanding_amount_hex_encoded = UInt64.from_value(
+            "9223372036854775807", "OutstandingAmount"
+        )
+        mpt_amount_hex_encoded = UInt64.from_value("9223372036854775807", "MPTAmount")
+        expect = UInt64.from_value("7FFFFFFFFFFFFFFF")
+        self.assertEqual(maximum_amount_hex_encoded, expect)
+        self.assertEqual(outstanding_amount_hex_encoded, expect)
+        self.assertEqual(mpt_amount_hex_encoded, expect)
+
+    def test_raises_invalid_hex_string(self):
+        invalid_hex_str = "9223372036854775807"
+        self.assertRaises(XRPLBinaryCodecException, UInt64.from_value, invalid_hex_str)
diff --git a/tests/unit/models/requests/test_ledger_entry.py b/tests/unit/models/requests/test_ledger_entry.py
index 56ba0e84f..cbfb26757 100644
--- a/tests/unit/models/requests/test_ledger_entry.py
+++ b/tests/unit/models/requests/test_ledger_entry.py
@@ -2,7 +2,7 @@
 
 from xrpl.models import XRP, LedgerEntry, XChainBridge
 from xrpl.models.exceptions import XRPLModelException
-from xrpl.models.requests.ledger_entry import Oracle, RippleState
+from xrpl.models.requests.ledger_entry import MPToken, Oracle, RippleState
 
 
 class TestLedgerEntry(TestCase):
@@ -152,3 +152,35 @@ def test_invalid_price_oracle_object(self):
             LedgerEntry(
                 oracle=Oracle(oracle_document_id=1),
             )
+
+    def test_get_mpt_issuance(self):
+        req = LedgerEntry(
+            mpt_issuance="rB6XJbxKx2oBSK1E3Hvh7KcZTCCBukWyhv",
+        )
+        self.assertTrue(req.is_valid())
+
+    def test_get_mptoken(self):
+        req = LedgerEntry(
+            mptoken=MPToken(
+                mpt_issuance_id="00002403C84A0A28E0190E208E982C352BBD5006600555CF",
+                account="rB6XJbxKx2oBSK1E3Hvh7KcZTCCBukWyhv",
+            )
+        )
+        self.assertTrue(req.is_valid())
+
+    def test_invalid_mptoken(self):
+        # missing mpt_issuance_id
+        with self.assertRaises(XRPLModelException):
+            LedgerEntry(
+                mptoken=MPToken(
+                    account="rB6XJbxKx2oBSK1E3Hvh7KcZTCCBukWyhv",
+                )
+            )
+
+        # missing account
+        with self.assertRaises(XRPLModelException):
+            LedgerEntry(
+                mptoken=MPToken(
+                    mpt_issuance_id="00002403C84A0A28E0190E208E982C352BBD5006600555CF",
+                )
+            )
diff --git a/tests/unit/models/transactions/test_clawback.py b/tests/unit/models/transactions/test_clawback.py
index 3f4811d49..8def4d4f6 100644
--- a/tests/unit/models/transactions/test_clawback.py
+++ b/tests/unit/models/transactions/test_clawback.py
@@ -1,6 +1,6 @@
 from unittest import TestCase
 
-from xrpl.models.amounts import IssuedCurrencyAmount
+from xrpl.models.amounts import IssuedCurrencyAmount, MPTAmount
 from xrpl.models.exceptions import XRPLModelException
 from xrpl.models.transactions import Clawback
 
@@ -9,6 +9,9 @@
 _ISSUED_CURRENCY_AMOUNT = IssuedCurrencyAmount(
     currency="BTC", value="1.002", issuer=_ACCOUNT
 )
+_MPT_AMOUNT = MPTAmount(
+    mpt_issuance_id="000004C463C52827307480341125DA0577DEFC38405B0E3E", value="10"
+)
 
 
 class TestClawback(TestCase):
@@ -25,3 +28,26 @@ def test_holder_is_issuer(self):
                 account=_ACCOUNT,
                 amount=_ISSUED_CURRENCY_AMOUNT,
             )
+
+    def test_cannot_holder(self):
+        with self.assertRaises(XRPLModelException):
+            Clawback(
+                account=_ACCOUNT,
+                amount=_ISSUED_CURRENCY_AMOUNT,
+                holder=_ACCOUNT,
+            )
+
+    def test_invalid_holder(self):
+        with self.assertRaises(XRPLModelException):
+            Clawback(
+                account=_ACCOUNT,
+                amount=_MPT_AMOUNT,
+                holder=_ACCOUNT,
+            )
+
+    def test_missing_holder(self):
+        with self.assertRaises(XRPLModelException):
+            Clawback(
+                account=_ACCOUNT,
+                amount=_MPT_AMOUNT,
+            )
diff --git a/tests/unit/models/transactions/test_mptoken_authorize.py b/tests/unit/models/transactions/test_mptoken_authorize.py
new file mode 100644
index 000000000..d0100b50a
--- /dev/null
+++ b/tests/unit/models/transactions/test_mptoken_authorize.py
@@ -0,0 +1,23 @@
+from unittest import TestCase
+
+from xrpl.models.transactions.mptoken_authorize import MPTokenAuthorize
+
+_ACCOUNT = "r9LqNeG6qHxjeUocjvVki2XR35weJ9mZgQ"
+_TOKEN_ID = "000004C463C52827307480341125DA0577DEFC38405B0E3E"
+
+
+class TestMPTokenAuthorize(TestCase):
+    def test_tx_is_valid(self):
+        tx = MPTokenAuthorize(
+            account=_ACCOUNT,
+            mptoken_issuance_id=_TOKEN_ID,
+        )
+        self.assertTrue(tx.is_valid())
+
+    def test_holder(self):
+        tx = MPTokenAuthorize(
+            account=_ACCOUNT,
+            holder="rajgkBmMxmz161r8bWYH7CQAFZP5bA9oSG",
+            mptoken_issuance_id=_TOKEN_ID,
+        )
+        self.assertTrue(tx.is_valid())
diff --git a/tests/unit/models/transactions/test_mptoken_issuance_create.py b/tests/unit/models/transactions/test_mptoken_issuance_create.py
new file mode 100644
index 000000000..b99d3babf
--- /dev/null
+++ b/tests/unit/models/transactions/test_mptoken_issuance_create.py
@@ -0,0 +1,44 @@
+from unittest import TestCase
+
+from xrpl.models.exceptions import XRPLModelException
+from xrpl.models.transactions import MPTokenIssuanceCreate, MPTokenIssuanceCreateFlag
+from xrpl.utils import str_to_hex
+
+_ACCOUNT = "r9LqNeG6qHxjeUocjvVki2XR35weJ9mZgQ"
+
+
+class TestMPTokenIssuanceCreate(TestCase):
+    def test_tx_is_valid(self):
+        tx = MPTokenIssuanceCreate(
+            account=_ACCOUNT,
+            maximum_amount="9223372036854775807",  # "7fffffffffffffff"
+            asset_scale=2,
+            transfer_fee=1,
+            flags=2,
+            mptoken_metadata=str_to_hex("http://xrpl.org"),
+        )
+        self.assertTrue(tx.is_valid())
+
+    def test_mptoken_metadata_empty_string(self):
+        with self.assertRaises(XRPLModelException) as error:
+            MPTokenIssuanceCreate(
+                account=_ACCOUNT,
+                flags=MPTokenIssuanceCreateFlag.TF_MPT_CAN_LOCK,
+                mptoken_metadata="",
+            )
+        self.assertEqual(
+            error.exception.args[0],
+            "{'mptoken_metadata': 'Field must not be empty string.'}",
+        )
+
+    def test_mptoken_metadata_not_hex(self):
+        with self.assertRaises(XRPLModelException) as error:
+            MPTokenIssuanceCreate(
+                account=_ACCOUNT,
+                flags=MPTokenIssuanceCreateFlag.TF_MPT_CAN_LOCK,
+                mptoken_metadata="http://xrpl.org",
+            )
+        self.assertEqual(
+            error.exception.args[0],
+            "{'mptoken_metadata': 'Field must be in hex format.'}",
+        )
diff --git a/tests/unit/models/transactions/test_mptoken_issuance_destroy.py b/tests/unit/models/transactions/test_mptoken_issuance_destroy.py
new file mode 100644
index 000000000..355984d66
--- /dev/null
+++ b/tests/unit/models/transactions/test_mptoken_issuance_destroy.py
@@ -0,0 +1,15 @@
+from unittest import TestCase
+
+from xrpl.models.transactions.mptoken_issuance_destroy import MPTokenIssuanceDestroy
+
+_ACCOUNT = "r9LqNeG6qHxjeUocjvVki2XR35weJ9mZgQ"
+_TOKEN_ID = "000004C463C52827307480341125DA0577DEFC38405B0E3E"
+
+
+class TestMPTokenIssuanceDestroy(TestCase):
+    def test_tx_is_valid(self):
+        tx = MPTokenIssuanceDestroy(
+            account=_ACCOUNT,
+            mptoken_issuance_id=_TOKEN_ID,
+        )
+        self.assertTrue(tx.is_valid())
diff --git a/tests/unit/models/transactions/test_mptoken_issuance_set.py b/tests/unit/models/transactions/test_mptoken_issuance_set.py
new file mode 100644
index 000000000..5e163cb05
--- /dev/null
+++ b/tests/unit/models/transactions/test_mptoken_issuance_set.py
@@ -0,0 +1,51 @@
+from unittest import TestCase
+
+from xrpl.models.exceptions import XRPLModelException
+from xrpl.models.transactions import MPTokenIssuanceSet
+from xrpl.models.transactions.mptoken_issuance_set import MPTokenIssuanceSetFlag
+
+_ACCOUNT = "r9LqNeG6qHxjeUocjvVki2XR35weJ9mZgQ"
+_TOKEN_ID = "000004C463C52827307480341125DA0577DEFC38405B0E3E"
+
+
+class TestMPTokenIssuanceSet(TestCase):
+    def test_tx_is_valid(self):
+        tx = MPTokenIssuanceSet(
+            account=_ACCOUNT,
+            mptoken_issuance_id=_TOKEN_ID,
+            flags=MPTokenIssuanceSetFlag.TF_MPT_LOCK,
+        )
+        self.assertTrue(tx.is_valid())
+
+    def test_tx_with_holder(self):
+        tx = MPTokenIssuanceSet(
+            account=_ACCOUNT,
+            mptoken_issuance_id=_TOKEN_ID,
+            holder="rajgkBmMxmz161r8bWYH7CQAFZP5bA9oSG",
+            flags=MPTokenIssuanceSetFlag.TF_MPT_LOCK,
+        )
+        self.assertTrue(tx.is_valid())
+
+    def test_tx_without_flags(self):
+        # It's fine to not specify any flag, it means only tx fee is deducted
+        tx = MPTokenIssuanceSet(
+            account=_ACCOUNT,
+            mptoken_issuance_id=_TOKEN_ID,
+            holder="rajgkBmMxmz161r8bWYH7CQAFZP5bA9oSG",
+        )
+        self.assertTrue(tx.is_valid())
+
+    def test_tx_with_flag_conflict(self):
+        with self.assertRaises(XRPLModelException) as error:
+            MPTokenIssuanceSet(
+                account=_ACCOUNT,
+                mptoken_issuance_id=_TOKEN_ID,
+                holder="rajgkBmMxmz161r8bWYH7CQAFZP5bA9oSG",
+                flags=MPTokenIssuanceSetFlag.TF_MPT_LOCK
+                | MPTokenIssuanceSetFlag.TF_MPT_UNLOCK,
+            )
+        self.assertEqual(
+            error.exception.args[0],
+            "{'flags': \"flag conflict: both TF_MPT_LOCK and TF_MPT_UNLOCK can't be set"
+            '"}',
+        )
diff --git a/tests/unit/models/transactions/test_payment.py b/tests/unit/models/transactions/test_payment.py
index bd69b5682..fdb0026b9 100644
--- a/tests/unit/models/transactions/test_payment.py
+++ b/tests/unit/models/transactions/test_payment.py
@@ -133,3 +133,17 @@ def test_destination_wallet(self):
         }
         with self.assertRaises(XRPLModelException):
             Payment(**transaction_dict)
+
+    def test_mpt_payment(self):
+        transaction_dict = {
+            "account": _ACCOUNT,
+            "fee": _FEE,
+            "sequence": _SEQUENCE,
+            "amount": {
+                "mpt_issuance_id": "000004C463C52827307480341125DA0577DEFC38405B0E3E",
+                "value": "10",
+            },
+            "destination": _DESTINATION,
+        }
+        tx = Payment(**transaction_dict)
+        self.assertTrue(tx.is_valid())
diff --git a/xrpl/constants.py b/xrpl/constants.py
index b633c93f5..0bd6ee1cb 100644
--- a/xrpl/constants.py
+++ b/xrpl/constants.py
@@ -33,6 +33,8 @@ class XRPLException(Exception):
 :meta private:
 """
 
+HEX_REGEX: Final[Pattern[str]] = re.compile(r"^[0-9A-Fa-f]+$")
+
 HEX_CURRENCY_REGEX: Final[Pattern[str]] = re.compile("[A-F0-9]{40}")
 """
 Matches hex-encoded currencies in the format allowed by XRPL.
diff --git a/xrpl/core/binarycodec/definitions/definitions.json b/xrpl/core/binarycodec/definitions/definitions.json
index 797be9ce2..596d37ff2 100644
--- a/xrpl/core/binarycodec/definitions/definitions.json
+++ b/xrpl/core/binarycodec/definitions/definitions.json
@@ -1,2775 +1,2924 @@
 {
-  "TYPES": {
-    "Done": -1,
-    "Unknown": -2,
-    "NotPresent": 0,
-    "UInt16": 1,
-    "UInt32": 2,
-    "UInt64": 3,
-    "Hash128": 4,
-    "Hash256": 5,
-    "Amount": 6,
-    "Blob": 7,
-    "AccountID": 8,
-    "STObject": 14,
-    "STArray": 15,
-    "UInt8": 16,
-    "Hash160": 17,
-    "PathSet": 18,
-    "Vector256": 19,
-    "UInt96": 20,
-    "UInt192": 21,
-    "UInt384": 22,
-    "UInt512": 23,
-    "Issue": 24,
-    "XChainBridge": 25,
-    "Currency": 26,
-    "Transaction": 10001,
-    "LedgerEntry": 10002,
-    "Validation": 10003,
-    "Metadata": 10004
-  },
-  "LEDGER_ENTRY_TYPES": {
-    "Invalid": -1,
-    "AccountRoot": 97,
-    "DirectoryNode": 100,
-    "RippleState": 114,
-    "Ticket": 84,
-    "SignerList": 83,
-    "Offer": 111,
-    "Bridge": 105,
-    "LedgerHashes": 104,
-    "Amendments": 102,
-    "XChainOwnedClaimID": 113,
-    "XChainOwnedCreateAccountClaimID": 116,
-    "FeeSettings": 115,
-    "Escrow": 117,
-    "PayChannel": 120,
-    "Check": 67,
-    "DepositPreauth": 112,
-    "NegativeUNL": 78,
-    "NFTokenPage": 80,
-    "NFTokenOffer": 55,
-    "AMM": 121,
-    "DID": 73,
-    "Oracle": 128,
-    "Any": -3,
-    "Child": -2,
-    "Nickname": 110,
-    "Contract": 99,
-    "GeneratorMap": 103
-  },
   "FIELDS": [
     [
       "Generic",
       {
-        "nth": 0,
-        "isVLEncoded": false,
         "isSerialized": false,
         "isSigningField": false,
+        "isVLEncoded": false,
+        "nth": 0,
         "type": "Unknown"
       }
     ],
     [
       "Invalid",
       {
-        "nth": -1,
-        "isVLEncoded": false,
         "isSerialized": false,
         "isSigningField": false,
+        "isVLEncoded": false,
+        "nth": -1,
         "type": "Unknown"
       }
     ],
     [
       "ObjectEndMarker",
       {
-        "nth": 1,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 1,
         "type": "STObject"
       }
     ],
     [
       "ArrayEndMarker",
       {
-        "nth": 1,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 1,
         "type": "STArray"
       }
     ],
     [
-      "hash",
+      "taker_gets_funded",
       {
-        "nth": 257,
-        "isVLEncoded": false,
         "isSerialized": false,
         "isSigningField": false,
-        "type": "Hash256"
-      }
-    ],
-    [
-      "index",
-      {
-        "nth": 258,
         "isVLEncoded": false,
-        "isSerialized": false,
-        "isSigningField": false,
-        "type": "Hash256"
-      }
-    ],
-    [
-      "taker_gets_funded",
-      {
         "nth": 258,
-        "isVLEncoded": false,
-        "isSerialized": false,
-        "isSigningField": false,
         "type": "Amount"
       }
     ],
     [
       "taker_pays_funded",
       {
-        "nth": 259,
-        "isVLEncoded": false,
         "isSerialized": false,
         "isSigningField": false,
+        "isVLEncoded": false,
+        "nth": 259,
         "type": "Amount"
       }
     ],
     [
-      "LedgerEntry",
+      "LedgerEntryType",
       {
-        "nth": 257,
+        "isSerialized": true,
+        "isSigningField": true,
         "isVLEncoded": false,
-        "isSerialized": false,
-        "isSigningField": false,
-        "type": "LedgerEntry"
+        "nth": 1,
+        "type": "UInt16"
       }
     ],
     [
-      "Transaction",
+      "TransactionType",
       {
-        "nth": 257,
+        "isSerialized": true,
+        "isSigningField": true,
         "isVLEncoded": false,
-        "isSerialized": false,
-        "isSigningField": false,
-        "type": "Transaction"
+        "nth": 2,
+        "type": "UInt16"
       }
     ],
     [
-      "Validation",
+      "SignerWeight",
       {
-        "nth": 257,
+        "isSerialized": true,
+        "isSigningField": true,
         "isVLEncoded": false,
-        "isSerialized": false,
-        "isSigningField": false,
-        "type": "Validation"
+        "nth": 3,
+        "type": "UInt16"
       }
     ],
     [
-      "Metadata",
+      "TransferFee",
       {
-        "nth": 257,
+        "isSerialized": true,
+        "isSigningField": true,
         "isVLEncoded": false,
-        "isSerialized": false,
-        "isSigningField": false,
-        "type": "Metadata"
+        "nth": 4,
+        "type": "UInt16"
       }
     ],
     [
-      "CloseResolution",
+      "TradingFee",
       {
-        "nth": 1,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
-        "type": "UInt8"
+        "isVLEncoded": false,
+        "nth": 5,
+        "type": "UInt16"
       }
     ],
     [
-      "Method",
+      "DiscountedFee",
       {
-        "nth": 2,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
-        "type": "UInt8"
+        "isVLEncoded": false,
+        "nth": 6,
+        "type": "UInt16"
       }
     ],
     [
-      "TransactionResult",
+      "Version",
       {
-        "nth": 3,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
-        "type": "UInt8"
+        "isVLEncoded": false,
+        "nth": 16,
+        "type": "UInt16"
       }
     ],
     [
-      "Scale",
+      "HookStateChangeCount",
       {
-        "nth": 4,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
-        "type": "UInt8"
+        "isVLEncoded": false,
+        "nth": 17,
+        "type": "UInt16"
       }
     ],
     [
-      "TickSize",
+      "HookEmitCount",
       {
-        "nth": 16,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
-        "type": "UInt8"
+        "isVLEncoded": false,
+        "nth": 18,
+        "type": "UInt16"
       }
     ],
     [
-      "UNLModifyDisabling",
+      "HookExecutionIndex",
       {
-        "nth": 17,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
-        "type": "UInt8"
+        "isVLEncoded": false,
+        "nth": 19,
+        "type": "UInt16"
       }
     ],
     [
-      "HookResult",
+      "HookApiVersion",
       {
-        "nth": 18,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
-        "type": "UInt8"
+        "isVLEncoded": false,
+        "nth": 20,
+        "type": "UInt16"
       }
     ],
     [
-      "WasLockingChainSend",
+      "LedgerFixType",
       {
-        "nth": 19,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
-        "type": "UInt8"
+        "isVLEncoded": false,
+        "nth": 21,
+        "type": "UInt16"
       }
     ],
     [
-      "LedgerEntryType",
+      "NetworkID",
       {
-        "nth": 1,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
-        "type": "UInt16"
+        "isVLEncoded": false,
+        "nth": 1,
+        "type": "UInt32"
       }
     ],
     [
-      "TransactionType",
+      "Flags",
       {
-        "nth": 2,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
-        "type": "UInt16"
+        "isVLEncoded": false,
+        "nth": 2,
+        "type": "UInt32"
       }
     ],
     [
-      "SignerWeight",
+      "SourceTag",
       {
-        "nth": 3,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
-        "type": "UInt16"
+        "isVLEncoded": false,
+        "nth": 3,
+        "type": "UInt32"
       }
     ],
     [
-      "TransferFee",
+      "Sequence",
       {
-        "nth": 4,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
-        "type": "UInt16"
+        "isVLEncoded": false,
+        "nth": 4,
+        "type": "UInt32"
       }
     ],
     [
-      "TradingFee",
+      "PreviousTxnLgrSeq",
       {
-        "nth": 5,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
-        "type": "UInt16"
+        "isVLEncoded": false,
+        "nth": 5,
+        "type": "UInt32"
       }
     ],
     [
-      "DiscountedFee",
+      "LedgerSequence",
       {
-        "nth": 6,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
-        "type": "UInt16"
+        "isVLEncoded": false,
+        "nth": 6,
+        "type": "UInt32"
       }
     ],
     [
-      "Version",
+      "CloseTime",
       {
-        "nth": 16,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
-        "type": "UInt16"
+        "isVLEncoded": false,
+        "nth": 7,
+        "type": "UInt32"
       }
     ],
     [
-      "HookStateChangeCount",
+      "ParentCloseTime",
       {
-        "nth": 17,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
-        "type": "UInt16"
-      }
-    ],
-    [
-      "HookEmitCount",
-      {
-        "nth": 18,
-        "isVLEncoded": false,
-        "isSerialized": true,
-        "isSigningField": true,
-        "type": "UInt16"
-      }
-    ],
-    [
-      "HookExecutionIndex",
-      {
-        "nth": 19,
-        "isVLEncoded": false,
-        "isSerialized": true,
-        "isSigningField": true,
-        "type": "UInt16"
-      }
-    ],
-    [
-      "HookApiVersion",
-      {
-        "nth": 20,
-        "isVLEncoded": false,
-        "isSerialized": true,
-        "isSigningField": true,
-        "type": "UInt16"
-      }
-    ],
-    [
-      "NetworkID",
-      {
-        "nth": 1,
-        "isVLEncoded": false,
-        "isSerialized": true,
-        "isSigningField": true,
-        "type": "UInt32"
-      }
-    ],
-    [
-      "Flags",
-      {
-        "nth": 2,
-        "isVLEncoded": false,
-        "isSerialized": true,
-        "isSigningField": true,
-        "type": "UInt32"
-      }
-    ],
-    [
-      "SourceTag",
-      {
-        "nth": 3,
-        "isVLEncoded": false,
-        "isSerialized": true,
-        "isSigningField": true,
-        "type": "UInt32"
-      }
-    ],
-    [
-      "Sequence",
-      {
-        "nth": 4,
-        "isVLEncoded": false,
-        "isSerialized": true,
-        "isSigningField": true,
-        "type": "UInt32"
-      }
-    ],
-    [
-      "PreviousTxnLgrSeq",
-      {
-        "nth": 5,
-        "isVLEncoded": false,
-        "isSerialized": true,
-        "isSigningField": true,
-        "type": "UInt32"
-      }
-    ],
-    [
-      "LedgerSequence",
-      {
-        "nth": 6,
-        "isVLEncoded": false,
-        "isSerialized": true,
-        "isSigningField": true,
-        "type": "UInt32"
-      }
-    ],
-    [
-      "CloseTime",
-      {
-        "nth": 7,
         "isVLEncoded": false,
-        "isSerialized": true,
-        "isSigningField": true,
-        "type": "UInt32"
-      }
-    ],
-    [
-      "ParentCloseTime",
-      {
         "nth": 8,
-        "isVLEncoded": false,
-        "isSerialized": true,
-        "isSigningField": true,
         "type": "UInt32"
       }
     ],
     [
       "SigningTime",
       {
-        "nth": 9,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 9,
         "type": "UInt32"
       }
     ],
     [
       "Expiration",
       {
-        "nth": 10,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 10,
         "type": "UInt32"
       }
     ],
     [
       "TransferRate",
       {
-        "nth": 11,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 11,
         "type": "UInt32"
       }
     ],
     [
       "WalletSize",
       {
-        "nth": 12,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 12,
         "type": "UInt32"
       }
     ],
     [
       "OwnerCount",
       {
-        "nth": 13,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 13,
         "type": "UInt32"
       }
     ],
     [
       "DestinationTag",
       {
-        "nth": 14,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 14,
         "type": "UInt32"
       }
     ],
     [
       "LastUpdateTime",
       {
-        "nth": 15,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 15,
         "type": "UInt32"
       }
     ],
     [
       "HighQualityIn",
       {
-        "nth": 16,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 16,
         "type": "UInt32"
       }
     ],
     [
       "HighQualityOut",
       {
-        "nth": 17,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 17,
         "type": "UInt32"
       }
     ],
     [
       "LowQualityIn",
       {
-        "nth": 18,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 18,
         "type": "UInt32"
       }
     ],
     [
       "LowQualityOut",
       {
-        "nth": 19,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 19,
         "type": "UInt32"
       }
     ],
     [
       "QualityIn",
       {
-        "nth": 20,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 20,
         "type": "UInt32"
       }
     ],
     [
       "QualityOut",
       {
-        "nth": 21,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 21,
         "type": "UInt32"
       }
     ],
     [
       "StampEscrow",
       {
-        "nth": 22,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 22,
         "type": "UInt32"
       }
     ],
     [
       "BondAmount",
       {
-        "nth": 23,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 23,
         "type": "UInt32"
       }
     ],
     [
       "LoadFee",
       {
-        "nth": 24,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 24,
         "type": "UInt32"
       }
     ],
     [
       "OfferSequence",
       {
-        "nth": 25,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 25,
         "type": "UInt32"
       }
     ],
     [
       "FirstLedgerSequence",
       {
-        "nth": 26,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 26,
         "type": "UInt32"
       }
     ],
     [
       "LastLedgerSequence",
       {
-        "nth": 27,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 27,
         "type": "UInt32"
       }
     ],
     [
       "TransactionIndex",
       {
-        "nth": 28,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 28,
         "type": "UInt32"
       }
     ],
     [
       "OperationLimit",
       {
-        "nth": 29,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 29,
         "type": "UInt32"
       }
     ],
     [
       "ReferenceFeeUnits",
       {
-        "nth": 30,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 30,
         "type": "UInt32"
       }
     ],
     [
       "ReserveBase",
       {
-        "nth": 31,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 31,
         "type": "UInt32"
       }
     ],
     [
       "ReserveIncrement",
       {
-        "nth": 32,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 32,
         "type": "UInt32"
       }
     ],
     [
       "SetFlag",
       {
-        "nth": 33,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 33,
         "type": "UInt32"
       }
     ],
     [
       "ClearFlag",
       {
-        "nth": 34,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 34,
         "type": "UInt32"
       }
     ],
     [
       "SignerQuorum",
       {
-        "nth": 35,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 35,
         "type": "UInt32"
       }
     ],
     [
       "CancelAfter",
       {
-        "nth": 36,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 36,
         "type": "UInt32"
       }
     ],
     [
       "FinishAfter",
       {
-        "nth": 37,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 37,
         "type": "UInt32"
       }
     ],
     [
       "SignerListID",
       {
-        "nth": 38,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 38,
         "type": "UInt32"
       }
     ],
     [
       "SettleDelay",
       {
-        "nth": 39,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 39,
         "type": "UInt32"
       }
     ],
     [
       "TicketCount",
       {
-        "nth": 40,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 40,
         "type": "UInt32"
       }
     ],
     [
       "TicketSequence",
       {
-        "nth": 41,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 41,
         "type": "UInt32"
       }
     ],
     [
       "NFTokenTaxon",
       {
-        "nth": 42,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 42,
         "type": "UInt32"
       }
     ],
     [
       "MintedNFTokens",
       {
-        "nth": 43,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 43,
         "type": "UInt32"
       }
     ],
     [
       "BurnedNFTokens",
       {
-        "nth": 44,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 44,
         "type": "UInt32"
       }
     ],
     [
       "HookStateCount",
       {
-        "nth": 45,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 45,
         "type": "UInt32"
       }
     ],
     [
       "EmitGeneration",
       {
-        "nth": 46,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 46,
         "type": "UInt32"
       }
     ],
     [
       "VoteWeight",
       {
-        "nth": 48,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 48,
         "type": "UInt32"
       }
     ],
     [
       "FirstNFTokenSequence",
       {
-        "nth": 50,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 50,
         "type": "UInt32"
       }
     ],
     [
       "OracleDocumentID",
       {
-        "nth": 51,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 51,
         "type": "UInt32"
       }
     ],
     [
       "IndexNext",
       {
-        "nth": 1,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 1,
         "type": "UInt64"
       }
     ],
     [
       "IndexPrevious",
       {
-        "nth": 2,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 2,
         "type": "UInt64"
       }
     ],
     [
       "BookNode",
       {
-        "nth": 3,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 3,
         "type": "UInt64"
       }
     ],
     [
       "OwnerNode",
       {
-        "nth": 4,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 4,
         "type": "UInt64"
       }
     ],
     [
       "BaseFee",
       {
-        "nth": 5,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 5,
         "type": "UInt64"
       }
     ],
     [
       "ExchangeRate",
       {
-        "nth": 6,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 6,
         "type": "UInt64"
       }
     ],
     [
       "LowNode",
       {
-        "nth": 7,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 7,
         "type": "UInt64"
       }
     ],
     [
       "HighNode",
       {
-        "nth": 8,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 8,
         "type": "UInt64"
       }
     ],
     [
       "DestinationNode",
       {
-        "nth": 9,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 9,
         "type": "UInt64"
       }
     ],
     [
       "Cookie",
       {
-        "nth": 10,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 10,
         "type": "UInt64"
       }
     ],
     [
       "ServerVersion",
       {
-        "nth": 11,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 11,
         "type": "UInt64"
       }
     ],
     [
       "NFTokenOfferNode",
       {
-        "nth": 12,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 12,
         "type": "UInt64"
       }
     ],
     [
       "EmitBurden",
       {
-        "nth": 13,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 13,
         "type": "UInt64"
       }
     ],
     [
       "HookOn",
       {
-        "nth": 16,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 16,
         "type": "UInt64"
       }
     ],
     [
       "HookInstructionCount",
       {
-        "nth": 17,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 17,
         "type": "UInt64"
       }
     ],
     [
       "HookReturnCode",
       {
-        "nth": 18,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 18,
         "type": "UInt64"
       }
     ],
     [
       "ReferenceCount",
       {
-        "nth": 19,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 19,
         "type": "UInt64"
       }
     ],
     [
       "XChainClaimID",
       {
-        "nth": 20,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 20,
         "type": "UInt64"
       }
     ],
     [
       "XChainAccountCreateCount",
       {
-        "nth": 21,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 21,
         "type": "UInt64"
       }
     ],
     [
       "XChainAccountClaimCount",
       {
-        "nth": 22,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 22,
         "type": "UInt64"
       }
     ],
     [
       "AssetPrice",
       {
-        "nth": 23,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 23,
         "type": "UInt64"
       }
     ],
     [
-      "EmailHash",
+      "MaximumAmount",
       {
-        "nth": 1,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
-        "type": "Hash128"
-      }
-    ],
-    [
-      "TakerPaysCurrency",
-      {
-        "nth": 1,
         "isVLEncoded": false,
-        "isSerialized": true,
-        "isSigningField": true,
-        "type": "Hash160"
+        "nth": 24,
+        "type": "UInt64"
       }
     ],
     [
-      "TakerPaysIssuer",
+      "OutstandingAmount",
       {
-        "nth": 2,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
-        "type": "Hash160"
+        "isVLEncoded": false,
+        "nth": 25,
+        "type": "UInt64"
       }
     ],
     [
-      "TakerGetsCurrency",
+      "MPTAmount",
       {
-        "nth": 3,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
-        "type": "Hash160"
+        "isVLEncoded": false,
+        "nth": 26,
+        "type": "UInt64"
       }
     ],
     [
-      "TakerGetsIssuer",
+      "EmailHash",
       {
-        "nth": 4,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
-        "type": "Hash160"
+        "isVLEncoded": false,
+        "nth": 1,
+        "type": "Hash128"
       }
     ],
     [
       "LedgerHash",
       {
-        "nth": 1,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 1,
         "type": "Hash256"
       }
     ],
     [
       "ParentHash",
       {
-        "nth": 2,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 2,
         "type": "Hash256"
       }
     ],
     [
       "TransactionHash",
       {
-        "nth": 3,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 3,
         "type": "Hash256"
       }
     ],
     [
       "AccountHash",
       {
-        "nth": 4,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 4,
         "type": "Hash256"
       }
     ],
     [
       "PreviousTxnID",
       {
-        "nth": 5,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 5,
         "type": "Hash256"
       }
     ],
     [
       "LedgerIndex",
       {
-        "nth": 6,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 6,
         "type": "Hash256"
       }
     ],
     [
       "WalletLocator",
       {
-        "nth": 7,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 7,
         "type": "Hash256"
       }
     ],
     [
       "RootIndex",
       {
-        "nth": 8,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 8,
         "type": "Hash256"
       }
     ],
     [
       "AccountTxnID",
       {
-        "nth": 9,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 9,
         "type": "Hash256"
       }
     ],
     [
       "NFTokenID",
       {
-        "nth": 10,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 10,
         "type": "Hash256"
       }
     ],
     [
       "EmitParentTxnID",
       {
-        "nth": 11,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 11,
         "type": "Hash256"
       }
     ],
     [
       "EmitNonce",
       {
-        "nth": 12,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 12,
         "type": "Hash256"
       }
     ],
     [
       "EmitHookHash",
       {
-        "nth": 13,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 13,
         "type": "Hash256"
       }
     ],
     [
       "AMMID",
       {
-        "nth": 14,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 14,
         "type": "Hash256"
       }
     ],
     [
       "BookDirectory",
       {
-        "nth": 16,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 16,
         "type": "Hash256"
       }
     ],
     [
       "InvoiceID",
       {
-        "nth": 17,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 17,
         "type": "Hash256"
       }
     ],
     [
       "Nickname",
       {
-        "nth": 18,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 18,
         "type": "Hash256"
       }
     ],
     [
       "Amendment",
       {
-        "nth": 19,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 19,
         "type": "Hash256"
       }
     ],
     [
       "Digest",
       {
-        "nth": 21,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 21,
         "type": "Hash256"
       }
     ],
     [
       "Channel",
       {
-        "nth": 22,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 22,
         "type": "Hash256"
       }
     ],
     [
       "ConsensusHash",
       {
-        "nth": 23,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 23,
         "type": "Hash256"
       }
     ],
     [
       "CheckID",
       {
-        "nth": 24,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 24,
         "type": "Hash256"
       }
     ],
     [
       "ValidatedHash",
       {
-        "nth": 25,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 25,
         "type": "Hash256"
       }
     ],
     [
       "PreviousPageMin",
       {
-        "nth": 26,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 26,
         "type": "Hash256"
       }
     ],
     [
       "NextPageMin",
       {
-        "nth": 27,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 27,
         "type": "Hash256"
       }
     ],
     [
       "NFTokenBuyOffer",
       {
-        "nth": 28,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 28,
         "type": "Hash256"
       }
     ],
     [
       "NFTokenSellOffer",
       {
-        "nth": 29,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 29,
         "type": "Hash256"
       }
     ],
     [
       "HookStateKey",
       {
-        "nth": 30,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 30,
         "type": "Hash256"
       }
     ],
     [
       "HookHash",
       {
-        "nth": 31,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 31,
         "type": "Hash256"
       }
     ],
     [
       "HookNamespace",
       {
-        "nth": 32,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
-        "type": "Hash256"
+        "isVLEncoded": false,
+        "nth": 32,
+        "type": "Hash256"
       }
     ],
     [
       "HookSetTxnID",
       {
-        "nth": 33,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 33,
         "type": "Hash256"
       }
     ],
     [
-      "Amount",
+      "hash",
       {
-        "nth": 1,
+        "isSerialized": false,
+        "isSigningField": false,
+        "isVLEncoded": false,
+        "nth": 257,
+        "type": "Hash256"
+      }
+    ],
+    [
+      "index",
+      {
+        "isSerialized": false,
+        "isSigningField": false,
         "isVLEncoded": false,
+        "nth": 258,
+        "type": "Hash256"
+      }
+    ],
+    [
+      "Amount",
+      {
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 1,
         "type": "Amount"
       }
     ],
     [
       "Balance",
       {
-        "nth": 2,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 2,
         "type": "Amount"
       }
     ],
     [
       "LimitAmount",
       {
-        "nth": 3,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 3,
         "type": "Amount"
       }
     ],
     [
       "TakerPays",
       {
-        "nth": 4,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 4,
         "type": "Amount"
       }
     ],
     [
       "TakerGets",
       {
-        "nth": 5,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 5,
         "type": "Amount"
       }
     ],
     [
       "LowLimit",
       {
-        "nth": 6,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 6,
         "type": "Amount"
       }
     ],
     [
       "HighLimit",
       {
-        "nth": 7,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 7,
         "type": "Amount"
       }
     ],
     [
       "Fee",
       {
-        "nth": 8,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 8,
         "type": "Amount"
       }
     ],
     [
       "SendMax",
       {
-        "nth": 9,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
+        "nth": 9,
         "type": "Amount"
       }
     ],
     [
       "DeliverMin",
       {
-        "nth": 10,
-        "isVLEncoded": false,
         "isSerialized": true,
         "isSigningField": true,
+        "isVLEncoded": false,
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     ],
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     ],
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+    ],
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+    ],
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+    ],
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+    "AccountRoot": 97,
+    "Amendments": 102,
+    "Bridge": 105,
+    "Check": 67,
+    "DID": 73,
+    "DepositPreauth": 112,
+    "DirectoryNode": 100,
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+    "NFTokenOffer": 55,
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+    "Oracle": 128,
+    "PayChannel": 120,
+    "RippleState": 114,
+    "SignerList": 83,
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+    "XChainOwnedClaimID": 113,
+    "XChainOwnedCreateAccountClaimID": 116
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-    "telLOCAL_ERROR": -399,
+    "tecAMM_ACCOUNT": 168,
+    "tecAMM_BALANCE": 163,
+    "tecAMM_EMPTY": 166,
+    "tecAMM_FAILED": 164,
+    "tecAMM_INVALID_TOKENS": 165,
+    "tecAMM_NOT_EMPTY": 167,
+    "tecARRAY_EMPTY": 190,
+    "tecARRAY_TOO_LARGE": 191,
+    "tecCANT_ACCEPT_OWN_NFTOKEN_OFFER": 158,
+    "tecCLAIM": 100,
+    "tecCRYPTOCONDITION_ERROR": 146,
+    "tecDIR_FULL": 121,
+    "tecDST_TAG_NEEDED": 143,
+    "tecDUPLICATE": 149,
+    "tecEMPTY_DID": 187,
+    "tecEXPIRED": 148,
+    "tecFAILED_PROCESSING": 105,
+    "tecFROZEN": 137,
+    "tecHAS_OBLIGATIONS": 151,
+    "tecINCOMPLETE": 169,
+    "tecINSUFFICIENT_FUNDS": 159,
+    "tecINSUFFICIENT_PAYMENT": 161,
+    "tecINSUFFICIENT_RESERVE": 141,
+    "tecINSUFF_FEE": 136,
+    "tecINSUF_RESERVE_LINE": 122,
+    "tecINSUF_RESERVE_OFFER": 123,
+    "tecINTERNAL": 144,
+    "tecINVALID_UPDATE_TIME": 188,
+    "tecINVARIANT_FAILED": 147,
+    "tecKILLED": 150,
+    "tecLOCKED": 192,
+    "tecMAX_SEQUENCE_REACHED": 154,
+    "tecNEED_MASTER_KEY": 142,
+    "tecNFTOKEN_BUY_SELL_MISMATCH": 156,
+    "tecNFTOKEN_OFFER_TYPE_MISMATCH": 157,
+    "tecNO_ALTERNATIVE_KEY": 130,
+    "tecNO_AUTH": 134,
+    "tecNO_DST": 124,
+    "tecNO_DST_INSUF_XRP": 125,
+    "tecNO_ENTRY": 140,
+    "tecNO_ISSUER": 133,
+    "tecNO_LINE": 135,
+    "tecNO_LINE_INSUF_RESERVE": 126,
+    "tecNO_LINE_REDUNDANT": 127,
+    "tecNO_PERMISSION": 139,
+    "tecNO_REGULAR_KEY": 131,
+    "tecNO_SUITABLE_NFTOKEN_PAGE": 155,
+    "tecNO_TARGET": 138,
+    "tecOBJECT_NOT_FOUND": 160,
+    "tecOVERSIZE": 145,
+    "tecOWNERS": 132,
+    "tecPATH_DRY": 128,
+    "tecPATH_PARTIAL": 101,
+    "tecTOKEN_PAIR_NOT_FOUND": 189,
+    "tecTOO_SOON": 152,
+    "tecUNFUNDED": 129,
+    "tecUNFUNDED_ADD": 102,
+    "tecUNFUNDED_AMM": 162,
+    "tecUNFUNDED_OFFER": 103,
+    "tecUNFUNDED_PAYMENT": 104,
+    "tecXCHAIN_ACCOUNT_CREATE_PAST": 181,
+    "tecXCHAIN_ACCOUNT_CREATE_TOO_MANY": 182,
+    "tecXCHAIN_BAD_CLAIM_ID": 172,
+    "tecXCHAIN_BAD_PUBLIC_KEY_ACCOUNT_PAIR": 185,
+    "tecXCHAIN_BAD_TRANSFER_ISSUE": 170,
+    "tecXCHAIN_CLAIM_NO_QUORUM": 173,
+    "tecXCHAIN_CREATE_ACCOUNT_DISABLED": 186,
+    "tecXCHAIN_CREATE_ACCOUNT_NONXRP_ISSUE": 175,
+    "tecXCHAIN_INSUFF_CREATE_AMOUNT": 180,
+    "tecXCHAIN_NO_CLAIM_ID": 171,
+    "tecXCHAIN_NO_SIGNERS_LIST": 178,
+    "tecXCHAIN_PAYMENT_FAILED": 183,
+    "tecXCHAIN_PROOF_UNKNOWN_KEY": 174,
+    "tecXCHAIN_REWARD_MISMATCH": 177,
+    "tecXCHAIN_SELF_COMMIT": 184,
+    "tecXCHAIN_SENDING_ACCOUNT_MISMATCH": 179,
+    "tecXCHAIN_WRONG_CHAIN": 176,
+    "tefALREADY": -198,
+    "tefBAD_ADD_AUTH": -197,
+    "tefBAD_AUTH": -196,
+    "tefBAD_AUTH_MASTER": -183,
+    "tefBAD_LEDGER": -195,
+    "tefBAD_QUORUM": -185,
+    "tefBAD_SIGNATURE": -186,
+    "tefCREATED": -194,
+    "tefEXCEPTION": -193,
+    "tefFAILURE": -199,
+    "tefINTERNAL": -192,
+    "tefINVALID_LEDGER_FIX_TYPE": -178,
+    "tefINVARIANT_FAILED": -182,
+    "tefMASTER_DISABLED": -188,
+    "tefMAX_LEDGER": -187,
+    "tefNFTOKEN_IS_NOT_TRANSFERABLE": -179,
+    "tefNOT_MULTI_SIGNING": -184,
+    "tefNO_AUTH_REQUIRED": -191,
+    "tefNO_TICKET": -180,
+    "tefPAST_SEQ": -190,
+    "tefTOO_BIG": -181,
+    "tefWRONG_PRIOR": -189,
     "telBAD_DOMAIN": -398,
     "telBAD_PATH_COUNT": -397,
     "telBAD_PUBLIC_KEY": -396,
-    "telFAILED_PROCESSING": -395,
-    "telINSUF_FEE_P": -394,
-    "telNO_DST_PARTIAL": -393,
     "telCAN_NOT_QUEUE": -392,
     "telCAN_NOT_QUEUE_BALANCE": -391,
-    "telCAN_NOT_QUEUE_BLOCKS": -390,
     "telCAN_NOT_QUEUE_BLOCKED": -389,
+    "telCAN_NOT_QUEUE_BLOCKS": -390,
     "telCAN_NOT_QUEUE_FEE": -388,
     "telCAN_NOT_QUEUE_FULL": -387,
-    "telWRONG_NETWORK": -386,
-    "telREQUIRES_NETWORK_ID": -385,
-    "telNETWORK_ID_MAKES_TX_NON_CANONICAL": -384,
     "telENV_RPC_FAILED": -383,
-
-    "temMALFORMED": -299,
+    "telFAILED_PROCESSING": -395,
+    "telINSUF_FEE_P": -394,
+    "telLOCAL_ERROR": -399,
+    "telNETWORK_ID_MAKES_TX_NON_CANONICAL": -384,
+    "telNO_DST_PARTIAL": -393,
+    "telREQUIRES_NETWORK_ID": -385,
+    "telWRONG_NETWORK": -386,
+    "temARRAY_EMPTY": -253,
+    "temARRAY_TOO_LARGE": -252,
+    "temBAD_AMM_TOKENS": -261,
     "temBAD_AMOUNT": -298,
     "temBAD_CURRENCY": -297,
     "temBAD_EXPIRATION": -296,
     "temBAD_FEE": -295,
     "temBAD_ISSUER": -294,
     "temBAD_LIMIT": -293,
+    "temBAD_NFTOKEN_TRANSFER_FEE": -262,
     "temBAD_OFFER": -292,
     "temBAD_PATH": -291,
     "temBAD_PATH_LOOP": -290,
+    "temBAD_QUORUM": -271,
     "temBAD_REGKEY": -289,
     "temBAD_SEND_XRP_LIMIT": -288,
     "temBAD_SEND_XRP_MAX": -287,
@@ -2778,204 +2927,130 @@
     "temBAD_SEND_XRP_PATHS": -284,
     "temBAD_SEQUENCE": -283,
     "temBAD_SIGNATURE": -282,
+    "temBAD_SIGNER": -272,
     "temBAD_SRC_ACCOUNT": -281,
+    "temBAD_TICK_SIZE": -269,
+    "temBAD_TRANSFER_FEE": -251,
     "temBAD_TRANSFER_RATE": -280,
+    "temBAD_WEIGHT": -270,
+    "temCANNOT_PREAUTH_SELF": -267,
+    "temDISABLED": -273,
     "temDST_IS_SRC": -279,
     "temDST_NEEDED": -278,
+    "temEMPTY_DID": -254,
     "temINVALID": -277,
+    "temINVALID_ACCOUNT_ID": -268,
+    "temINVALID_COUNT": -266,
     "temINVALID_FLAG": -276,
+    "temMALFORMED": -299,
     "temREDUNDANT": -275,
     "temRIPPLE_EMPTY": -274,
-    "temDISABLED": -273,
-    "temBAD_SIGNER": -272,
-    "temBAD_QUORUM": -271,
-    "temBAD_WEIGHT": -270,
-    "temBAD_TICK_SIZE": -269,
-    "temINVALID_ACCOUNT_ID": -268,
-    "temCANNOT_PREAUTH_SELF": -267,
-    "temINVALID_COUNT": -266,
+    "temSEQ_AND_TICKET": -263,
     "temUNCERTAIN": -265,
     "temUNKNOWN": -264,
-    "temSEQ_AND_TICKET": -263,
-    "temBAD_NFTOKEN_TRANSFER_FEE": -262,
-    "temBAD_AMM_TOKENS": -261,
-    "temXCHAIN_EQUAL_DOOR_ACCOUNTS": -260,
     "temXCHAIN_BAD_PROOF": -259,
     "temXCHAIN_BRIDGE_BAD_ISSUES": -258,
-    "temXCHAIN_BRIDGE_NONDOOR_OWNER": -257,
     "temXCHAIN_BRIDGE_BAD_MIN_ACCOUNT_CREATE_AMOUNT": -256,
     "temXCHAIN_BRIDGE_BAD_REWARD_AMOUNT": -255,
-    "temEMPTY_DID": -254,
-    "temARRAY_EMPTY": -253,
-    "temARRAY_TOO_LARGE": -252,
-
-    "tefFAILURE": -199,
-    "tefALREADY": -198,
-    "tefBAD_ADD_AUTH": -197,
-    "tefBAD_AUTH": -196,
-    "tefBAD_LEDGER": -195,
-    "tefCREATED": -194,
-    "tefEXCEPTION": -193,
-    "tefINTERNAL": -192,
-    "tefNO_AUTH_REQUIRED": -191,
-    "tefPAST_SEQ": -190,
-    "tefWRONG_PRIOR": -189,
-    "tefMASTER_DISABLED": -188,
-    "tefMAX_LEDGER": -187,
-    "tefBAD_SIGNATURE": -186,
-    "tefBAD_QUORUM": -185,
-    "tefNOT_MULTI_SIGNING": -184,
-    "tefBAD_AUTH_MASTER": -183,
-    "tefINVARIANT_FAILED": -182,
-    "tefTOO_BIG": -181,
-    "tefNO_TICKET": -180,
-    "tefNFTOKEN_IS_NOT_TRANSFERABLE": -179,
-
-    "terRETRY": -99,
+    "temXCHAIN_BRIDGE_NONDOOR_OWNER": -257,
+    "temXCHAIN_EQUAL_DOOR_ACCOUNTS": -260,
     "terFUNDS_SPENT": -98,
     "terINSUF_FEE_B": -97,
+    "terLAST": -91,
     "terNO_ACCOUNT": -96,
+    "terNO_AMM": -87,
     "terNO_AUTH": -95,
     "terNO_LINE": -94,
+    "terNO_RIPPLE": -90,
     "terOWNERS": -93,
     "terPRE_SEQ": -92,
-    "terLAST": -91,
-    "terNO_RIPPLE": -90,
-    "terQUEUED": -89,
     "terPRE_TICKET": -88,
-    "terNO_AMM": -87,
-
-    "tesSUCCESS": 0,
-
-    "tecCLAIM": 100,
-    "tecPATH_PARTIAL": 101,
-    "tecUNFUNDED_ADD": 102,
-    "tecUNFUNDED_OFFER": 103,
-    "tecUNFUNDED_PAYMENT": 104,
-    "tecFAILED_PROCESSING": 105,
-    "tecDIR_FULL": 121,
-    "tecINSUF_RESERVE_LINE": 122,
-    "tecINSUF_RESERVE_OFFER": 123,
-    "tecNO_DST": 124,
-    "tecNO_DST_INSUF_XRP": 125,
-    "tecNO_LINE_INSUF_RESERVE": 126,
-    "tecNO_LINE_REDUNDANT": 127,
-    "tecPATH_DRY": 128,
-    "tecUNFUNDED": 129,
-    "tecNO_ALTERNATIVE_KEY": 130,
-    "tecNO_REGULAR_KEY": 131,
-    "tecOWNERS": 132,
-    "tecNO_ISSUER": 133,
-    "tecNO_AUTH": 134,
-    "tecNO_LINE": 135,
-    "tecINSUFF_FEE": 136,
-    "tecFROZEN": 137,
-    "tecNO_TARGET": 138,
-    "tecNO_PERMISSION": 139,
-    "tecNO_ENTRY": 140,
-    "tecINSUFFICIENT_RESERVE": 141,
-    "tecNEED_MASTER_KEY": 142,
-    "tecDST_TAG_NEEDED": 143,
-    "tecINTERNAL": 144,
-    "tecOVERSIZE": 145,
-    "tecCRYPTOCONDITION_ERROR": 146,
-    "tecINVARIANT_FAILED": 147,
-    "tecEXPIRED": 148,
-    "tecDUPLICATE": 149,
-    "tecKILLED": 150,
-    "tecHAS_OBLIGATIONS": 151,
-    "tecTOO_SOON": 152,
-    "tecHOOK_REJECTED": 153,
-    "tecMAX_SEQUENCE_REACHED": 154,
-    "tecNO_SUITABLE_NFTOKEN_PAGE": 155,
-    "tecNFTOKEN_BUY_SELL_MISMATCH": 156,
-    "tecNFTOKEN_OFFER_TYPE_MISMATCH": 157,
-    "tecCANT_ACCEPT_OWN_NFTOKEN_OFFER": 158,
-    "tecINSUFFICIENT_FUNDS": 159,
-    "tecOBJECT_NOT_FOUND": 160,
-    "tecINSUFFICIENT_PAYMENT": 161,
-    "tecUNFUNDED_AMM": 162,
-    "tecAMM_BALANCE": 163,
-    "tecAMM_FAILED": 164,
-    "tecAMM_INVALID_TOKENS": 165,
-    "tecAMM_EMPTY": 166,
-    "tecAMM_NOT_EMPTY": 167,
-    "tecAMM_ACCOUNT": 168,
-    "tecINCOMPLETE": 169,
-    "tecXCHAIN_BAD_TRANSFER_ISSUE": 170,
-    "tecXCHAIN_NO_CLAIM_ID": 171,
-    "tecXCHAIN_BAD_CLAIM_ID": 172,
-    "tecXCHAIN_CLAIM_NO_QUORUM": 173,
-    "tecXCHAIN_PROOF_UNKNOWN_KEY": 174,
-    "tecXCHAIN_CREATE_ACCOUNT_NONXRP_ISSUE": 175,
-    "tecXCHAIN_WRONG_CHAIN": 176,
-    "tecXCHAIN_REWARD_MISMATCH": 177,
-    "tecXCHAIN_NO_SIGNERS_LIST": 178,
-    "tecXCHAIN_SENDING_ACCOUNT_MISMATCH": 179,
-    "tecXCHAIN_INSUFF_CREATE_AMOUNT": 180,
-    "tecXCHAIN_ACCOUNT_CREATE_PAST": 181,
-    "tecXCHAIN_ACCOUNT_CREATE_TOO_MANY": 182,
-    "tecXCHAIN_PAYMENT_FAILED": 183,
-    "tecXCHAIN_SELF_COMMIT": 184,
-    "tecXCHAIN_BAD_PUBLIC_KEY_ACCOUNT_PAIR": 185,
-    "tecXCHAIN_CREATE_ACCOUNT_DISABLED": 186,
-    "tecEMPTY_DID": 187,
-    "tecINVALID_UPDATE_TIME": 188,
-    "tecTOKEN_PAIR_NOT_FOUND": 189,
-    "tecARRAY_EMPTY": 190,
-    "tecARRAY_TOO_LARGE": 191
+    "terQUEUED": -89,
+    "terRETRY": -99,
+    "tesSUCCESS": 0
   },
   "TRANSACTION_TYPES": {
-    "Invalid": -1,
-    "Payment": 0,
-    "EscrowCreate": 1,
-    "EscrowFinish": 2,
+    "AMMBid": 39,
+    "AMMCreate": 35,
+    "AMMDelete": 40,
+    "AMMDeposit": 36,
+    "AMMVote": 38,
+    "AMMWithdraw": 37,
+    "AccountDelete": 21,
     "AccountSet": 3,
+    "CheckCancel": 18,
+    "CheckCash": 17,
+    "CheckCreate": 16,
+    "Clawback": 30,
+    "DIDDelete": 50,
+    "DIDSet": 49,
+    "DepositPreauth": 19,
+    "EnableAmendment": 100,
     "EscrowCancel": 4,
-    "SetRegularKey": 5,
-    "NickNameSet": 6,
-    "OfferCreate": 7,
+    "EscrowCreate": 1,
+    "EscrowFinish": 2,
+    "Invalid": -1,
+    "LedgerStateFix": 53,
+    "MPTokenAuthorize": 57,
+    "MPTokenIssuanceCreate": 54,
+    "MPTokenIssuanceDestroy": 55,
+    "MPTokenIssuanceSet": 56,
+    "NFTokenAcceptOffer": 29,
+    "NFTokenBurn": 26,
+    "NFTokenCancelOffer": 28,
+    "NFTokenCreateOffer": 27,
+    "NFTokenMint": 25,
     "OfferCancel": 8,
-    "Contract": 9,
-    "TicketCreate": 10,
-    "TicketCancel": 11,
-    "SignerListSet": 12,
+    "OfferCreate": 7,
+    "OracleDelete": 52,
+    "OracleSet": 51,
+    "Payment": 0,
+    "PaymentChannelClaim": 15,
     "PaymentChannelCreate": 13,
     "PaymentChannelFund": 14,
-    "PaymentChannelClaim": 15,
-    "CheckCreate": 16,
-    "CheckCash": 17,
-    "CheckCancel": 18,
-    "DepositPreauth": 19,
+    "SetFee": 101,
+    "SetRegularKey": 5,
+    "SignerListSet": 12,
+    "TicketCreate": 10,
     "TrustSet": 20,
-    "AccountDelete": 21,
-    "SetHook": 22,
-    "NFTokenMint": 25,
-    "NFTokenBurn": 26,
-    "NFTokenCreateOffer": 27,
-    "NFTokenCancelOffer": 28,
-    "NFTokenAcceptOffer": 29,
-    "Clawback": 30,
-    "AMMCreate": 35,
-    "AMMDeposit": 36,
-    "AMMWithdraw": 37,
-    "AMMVote": 38,
-    "AMMBid": 39,
-    "AMMDelete": 40,
-    "XChainCreateClaimID": 41,
-    "XChainCommit": 42,
-    "XChainClaim": 43,
+    "UNLModify": 102,
     "XChainAccountCreateCommit": 44,
-    "XChainAddClaimAttestation": 45,
     "XChainAddAccountCreateAttestation": 46,
-    "XChainModifyBridge": 47,
+    "XChainAddClaimAttestation": 45,
+    "XChainClaim": 43,
+    "XChainCommit": 42,
     "XChainCreateBridge": 48,
-    "DIDSet": 49,
-    "DIDDelete": 50,
-    "OracleSet": 51,
-    "OracleDelete": 52,
-    "EnableAmendment": 100,
-    "SetFee": 101,
-    "UNLModify": 102
+    "XChainCreateClaimID": 41,
+    "XChainModifyBridge": 47
+  },
+  "TYPES": {
+    "AccountID": 8,
+    "Amount": 6,
+    "Blob": 7,
+    "Currency": 26,
+    "Done": -1,
+    "Hash128": 4,
+    "Hash160": 17,
+    "Hash192": 21,
+    "Hash256": 5,
+    "Issue": 24,
+    "LedgerEntry": 10002,
+    "Metadata": 10004,
+    "NotPresent": 0,
+    "PathSet": 18,
+    "STArray": 15,
+    "STObject": 14,
+    "Transaction": 10001,
+    "UInt16": 1,
+    "UInt32": 2,
+    "UInt384": 22,
+    "UInt512": 23,
+    "UInt64": 3,
+    "UInt8": 16,
+    "UInt96": 20,
+    "Unknown": -2,
+    "Validation": 10003,
+    "Vector256": 19,
+    "XChainBridge": 25
   }
-}
+}
\ No newline at end of file
diff --git a/xrpl/core/binarycodec/types/__init__.py b/xrpl/core/binarycodec/types/__init__.py
index c50d85f37..f2dedab06 100644
--- a/xrpl/core/binarycodec/types/__init__.py
+++ b/xrpl/core/binarycodec/types/__init__.py
@@ -7,6 +7,7 @@
 from xrpl.core.binarycodec.types.hash import Hash
 from xrpl.core.binarycodec.types.hash128 import Hash128
 from xrpl.core.binarycodec.types.hash160 import Hash160
+from xrpl.core.binarycodec.types.hash192 import Hash192
 from xrpl.core.binarycodec.types.hash256 import Hash256
 from xrpl.core.binarycodec.types.issue import Issue
 from xrpl.core.binarycodec.types.path_set import PathSet
@@ -28,6 +29,7 @@
     "Hash",
     "Hash128",
     "Hash160",
+    "Hash192",
     "Hash256",
     "Issue",
     "PathSet",
diff --git a/xrpl/core/binarycodec/types/amount.py b/xrpl/core/binarycodec/types/amount.py
index 8a1facdcd..76c3cf284 100644
--- a/xrpl/core/binarycodec/types/amount.py
+++ b/xrpl/core/binarycodec/types/amount.py
@@ -5,7 +5,7 @@
 
 from __future__ import annotations
 
-from decimal import MAX_PREC, Context, Decimal, localcontext
+from decimal import MAX_PREC, Context, Decimal, InvalidOperation, localcontext
 from typing import Any, Dict, Optional, Type, Union
 
 from typing_extensions import Final, Self
@@ -20,10 +20,11 @@
 )
 from xrpl.core.binarycodec.binary_wrappers import BinaryParser
 from xrpl.core.binarycodec.exceptions import XRPLBinaryCodecException
-from xrpl.core.binarycodec.types.account_id import AccountID
+from xrpl.core.binarycodec.types.account_id import _HEX_REGEX, AccountID
 from xrpl.core.binarycodec.types.currency import Currency
+from xrpl.core.binarycodec.types.hash192 import Hash192
 from xrpl.core.binarycodec.types.serialized_type import SerializedType
-from xrpl.models.amounts import IssuedCurrencyAmount
+from xrpl.models.amounts import IssuedCurrencyAmount, MPTAmount
 
 _MAX_DROPS: Final[Decimal] = Decimal("1e17")
 _MIN_XRP: Final[Decimal] = Decimal("1e-6")
@@ -34,6 +35,7 @@
 _ZERO_CURRENCY_AMOUNT_HEX: Final[int] = 0x8000000000000000
 _NATIVE_AMOUNT_BYTE_LENGTH: Final[int] = 8
 _CURRENCY_AMOUNT_BYTE_LENGTH: Final[int] = 48
+_MPT_MASK: Final[Decimal] = Decimal(0x8000000000000000)
 
 
 def _contains_decimal(string: str) -> bool:
@@ -107,6 +109,44 @@ def verify_iou_value(issued_currency_value: str) -> None:
     _verify_no_decimal(decimal_value)
 
 
+def verify_mpt_value(mpt_value: str) -> None:
+    """
+    Validates the format of an MPT amount.
+    Raises if value is invalid.
+
+    Args:
+        mpt_value: A string representing an amount of XRP.
+
+    Returns:
+        None, but raises if mpt_value is not a valid MPT amount.
+
+    Raises:
+        XRPLBinaryCodecException: If mpt_value is not a valid MPT amount.
+    """
+    # Contains no decimal point
+    if not _contains_decimal(mpt_value):
+        raise XRPLBinaryCodecException(f"{mpt_value} is an invalid MPT amount.")
+
+    decimal = None
+    try:
+        # Check if the value is hexadecimal
+        if mpt_value.startswith("0x") or _HEX_REGEX.fullmatch(mpt_value):
+            decimal = Decimal(int(mpt_value, 16))
+        else:
+            # Check if mpt_value can be converted to a Decimal and within valid range
+            decimal = Decimal(mpt_value)
+    except (InvalidOperation, ValueError):
+        raise XRPLBinaryCodecException(f"{mpt_value} is not a valid MPT amount.")
+
+    # Zero is less than both the min and max MPT amounts but is valid.
+    if decimal.is_zero():
+        return
+
+    # Perform the bitwise AND operation to check the MSB
+    if int(decimal) & int(_MPT_MASK) != 0:
+        raise XRPLBinaryCodecException(f"{mpt_value} is an illegal amount")
+
+
 def _calculate_precision(value: str) -> int:
     """Calculate the precision of given value as a string."""
     decimal_value = Decimal(value, Context(prec=MAX_PREC))
@@ -218,6 +258,39 @@ def _serialize_issued_currency_amount(value: Dict[str, str]) -> bytes:
     return amount_bytes + currency_bytes + issuer_bytes
 
 
+def _serialize_mpt_amount(value: Dict[str, str]) -> bytes:
+    """Serializes an MPT amount.
+
+    Args:
+        value: A dictionary representing a quantity of MPT.
+
+    Returns:
+        The bytes representing the serialized MPT amount.
+    """
+    amount_string = value["value"]
+    verify_mpt_value(amount_string)
+
+    # Convert the MPT amount string to a 64-bit integer and then to bytes
+    decimal_value = None
+    if amount_string.startswith("0x") or _HEX_REGEX.fullmatch(amount_string):
+        decimal_value = Decimal(int(amount_string, 16))
+    else:
+        decimal_value = Decimal(amount_string)
+
+    amount_bytes = int(decimal_value).to_bytes(8, byteorder="big", signed=False)
+
+    # Create a bytearray for the mpt_issuance_id and serialize it
+    mpt_issuance_id = bytearray()
+    Hash192.from_value(value["mpt_issuance_id"]).to_byte_sink(mpt_issuance_id)
+
+    # Create the leading byte and set the MPT leading byte
+    leading_byte = bytearray(1)
+    leading_byte[0] |= 0x60  # Set MPT leading byte
+
+    # Concatenate the bytes
+    return bytes(leading_byte + amount_bytes + mpt_issuance_id)
+
+
 class Amount(SerializedType):
     """Codec for serializing and deserializing Amount fields.
     See `Amount Fields <https://xrpl.org/serialization.html#amount-fields>`_
@@ -249,6 +322,8 @@ def from_value(cls: Type[Self], value: Union[str, Dict[str, str]]) -> Self:
                 return cls(_serialize_xrp_amount(value))
             if IssuedCurrencyAmount.is_dict_of_model(value):
                 return cls(_serialize_issued_currency_amount(value))
+            if MPTAmount.is_dict_of_model(value):
+                return cls(_serialize_mpt_amount(value))
 
         raise XRPLBinaryCodecException(
             "Invalid type to construct an Amount: expected str or dict,"
@@ -268,14 +343,15 @@ def from_parser(
         Returns:
             An Amount object.
         """
-        parser_first_byte = parser.peek()
-        not_xrp = (
-            int(parser_first_byte) if parser_first_byte is not None else 0x00
-        ) & 0x80
-        if not_xrp:
-            num_bytes = _CURRENCY_AMOUNT_BYTE_LENGTH
-        else:
-            num_bytes = _NATIVE_AMOUNT_BYTE_LENGTH
+        first_byte = parser.peek()
+
+        is_iou = (first_byte & 0x80) != 0  # type: ignore
+        if is_iou:
+            return cls(parser.read(_CURRENCY_AMOUNT_BYTE_LENGTH))
+
+        # the amount can be either MPT or XRP at this point
+        is_mpt = (first_byte & 0x20) != 0  # type: ignore
+        num_bytes = 33 if is_mpt else 8
         return cls(parser.read(num_bytes))
 
     def to_json(self: Self) -> Union[str, Dict[Any, Any]]:
@@ -283,6 +359,9 @@ def to_json(self: Self) -> Union[str, Dict[Any, Any]]:
 
         Returns:
             The JSON representation of this amount.
+
+        Raises:
+            XRPLBinaryCodecException: if invalid amount type for JSON conversion.
         """
         if self.is_native():
             sign = "" if self.is_positive() else "-"
@@ -290,30 +369,52 @@ def to_json(self: Self) -> Union[str, Dict[Any, Any]]:
                 int.from_bytes(self.buffer, byteorder="big") & 0x3FFFFFFFFFFFFFFF
             )
             return f"{sign}{masked_bytes}"
-        parser = BinaryParser(str(self))
-        value_bytes = parser.read(8)
-        currency = Currency.from_parser(parser)
-        issuer = AccountID.from_parser(parser)
-        b1 = value_bytes[0]
-        b2 = value_bytes[1]
-        is_positive = b1 & 0x40
-        sign = "" if is_positive else "-"
-        exponent = ((b1 & 0x3F) << 2) + ((b2 & 0xFF) >> 6) - 97
-        hex_mantissa = hex(b2 & 0x3F) + value_bytes[2:].hex()
-        int_mantissa = int(hex_mantissa[2:], 16)
-        value = Decimal(f"{sign}{int_mantissa}") * Decimal(f"1e{exponent}")
-
-        if value.is_zero():
-            value_str = "0"
-        else:
-            value_str = str(value).rstrip("0").rstrip(".")
-        verify_iou_value(value_str)
 
-        return {
-            "value": value_str,
-            "currency": currency.to_json(),
-            "issuer": issuer.to_json(),
-        }
+        if self.is_iou():
+            parser = BinaryParser(str(self))
+            value_bytes = parser.read(8)
+            currency = Currency.from_parser(parser)
+            issuer = AccountID.from_parser(parser)
+            b1 = value_bytes[0]
+            b2 = value_bytes[1]
+            is_positive = b1 & 0x40
+            sign = "" if is_positive else "-"
+            exponent = ((b1 & 0x3F) << 2) + ((b2 & 0xFF) >> 6) - 97
+            hex_mantissa = hex(b2 & 0x3F) + value_bytes[2:].hex()
+            int_mantissa = int(hex_mantissa[2:], 16)
+            value = Decimal(f"{sign}{int_mantissa}") * Decimal(f"1e{exponent}")
+
+            if value.is_zero():
+                value_str = "0"
+            else:
+                value_str = str(value).rstrip("0").rstrip(".")
+            verify_iou_value(value_str)
+
+            return {
+                "value": value_str,
+                "currency": currency.to_json(),
+                "issuer": issuer.to_json(),
+            }
+
+        if self.is_mpt():
+            parser = BinaryParser(self.to_hex())
+            leading_byte = parser.read(1)
+            value_bytes = parser.read(8)
+            mpt_issuance_id = Hash192.from_parser(parser)
+
+            is_positive = leading_byte[0] & 0x40
+            sign = "" if is_positive else "-"
+
+            msb = int.from_bytes(value_bytes[:4], byteorder="big")
+            lsb = int.from_bytes(value_bytes[4:], byteorder="big")
+            num = (msb << 32) | lsb
+
+            return {
+                "value": f"{sign}{num}",
+                "mpt_issuance_id": mpt_issuance_id.to_hex(),
+            }
+
+        raise XRPLBinaryCodecException("Invalid amount type for JSON conversion")
 
     def is_native(self: Self) -> bool:
         """Returns True if this amount is a native XRP amount.
@@ -321,8 +422,27 @@ def is_native(self: Self) -> bool:
         Returns:
             True if this amount is a native XRP amount, False otherwise.
         """
-        # 1st bit in 1st byte is set to 0 for native XRP
-        return (self.buffer[0] & 0x80) == 0
+        # A native amount is one where both the IOU bit (0x80)
+        # and MPT bit (0x20) are not set
+        return (self.buffer[0] & 0x80) == 0 and (self.buffer[0] & 0x20) == 0
+
+    def is_iou(self: Self) -> bool:
+        """Returns True if this amount is an IOU amount.
+
+        Returns:
+            True if this amount is an IOU amount, False otherwise.
+        """
+        return (self.buffer[0] & 0x80) != 0
+
+    def is_mpt(self: Self) -> bool:
+        """Returns True if this amount is an MPT amount.
+
+        Returns:
+            True if this amount is an MPT amount, False otherwise.
+        """
+        # An MPT amount is one where the MPT bit (0x20) is set
+        # and the IOU bit (0x80) is not set
+        return (self.buffer[0] & 0x20) != 0 and (self.buffer[0] & 0x80) == 0
 
     def is_positive(self: Self) -> bool:
         """Returns True if 2nd bit in 1st byte is set to 1 (positive amount).
diff --git a/xrpl/core/binarycodec/types/hash192.py b/xrpl/core/binarycodec/types/hash192.py
new file mode 100644
index 000000000..dfb3a40ae
--- /dev/null
+++ b/xrpl/core/binarycodec/types/hash192.py
@@ -0,0 +1,24 @@
+"""Codec for serializing and deserializing a hash field with a width
+of 192 bits (24 bytes).
+`See Hash Fields <https://xrpl.org/serialization.html#hash-fields>`_
+"""
+
+from __future__ import annotations
+
+from typing import Type
+
+from typing_extensions import Self
+
+from xrpl.core.binarycodec.types.hash import Hash
+
+
+class Hash192(Hash):
+    """
+    Codec for serializing and deserializing a hash field with a width
+    of 192 bits (24 bytes).
+    `See Hash Fields <https://xrpl.org/serialization.html#hash-fields>`_
+    """
+
+    @classmethod
+    def _get_length(cls: Type[Self]) -> int:
+        return 24
diff --git a/xrpl/core/binarycodec/types/st_object.py b/xrpl/core/binarycodec/types/st_object.py
index 704ba6746..9c43d92a2 100644
--- a/xrpl/core/binarycodec/types/st_object.py
+++ b/xrpl/core/binarycodec/types/st_object.py
@@ -20,6 +20,7 @@
 )
 from xrpl.core.binarycodec.exceptions import XRPLBinaryCodecException
 from xrpl.core.binarycodec.types.serialized_type import SerializedType
+from xrpl.core.binarycodec.types.uint64 import SPECIAL_FIELDS
 
 _OBJECT_END_MARKER_BYTE: Final[bytes] = bytes([0xE1])
 _OBJECT_END_MARKER: Final[str] = "ObjectEndMarker"
@@ -188,9 +189,12 @@ def from_value(
 
         for field in sorted_keys:
             try:
-                associated_value = field.associated_type.from_value(
-                    xaddress_decoded[field.name]
+                args = (
+                    (xaddress_decoded[field.name], field.name)
+                    if field.name in SPECIAL_FIELDS
+                    else (xaddress_decoded[field.name],)
                 )
+                associated_value = field.associated_type.from_value(*args)
             except XRPLBinaryCodecException as e:
                 # mildly hacky way to get more context in the error
                 # provides the field name and not just the type it's expecting
diff --git a/xrpl/core/binarycodec/types/uint64.py b/xrpl/core/binarycodec/types/uint64.py
index ba7f42118..48708e24a 100644
--- a/xrpl/core/binarycodec/types/uint64.py
+++ b/xrpl/core/binarycodec/types/uint64.py
@@ -16,7 +16,14 @@
 
 _WIDTH: Final[int] = 8  # 64 / 8
 
-_HEX_REGEX: Final[Pattern[str]] = re.compile("[a-fA-F0-9]{1,16}")
+_BASE10_REGEX: Final[Pattern[str]] = re.compile("^[0-9]{1,20}$")
+_HEX_REGEX: Final[Pattern[str]] = re.compile("^[a-fA-F0-9]{1,16}$")
+
+SPECIAL_FIELDS: Final[set[str]] = {
+    "MaximumAmount",
+    "OutstandingAmount",
+    "MPTAmount",
+}
 
 
 class UInt64(UInt):
@@ -45,47 +52,58 @@ def from_parser(
         return cls(parser.read(_WIDTH))
 
     @classmethod
-    def from_value(cls: Type[Self], value: Union[str, int]) -> Self:
+    def from_value(
+        cls: Type[Self], value: Union[str, int], field_name: str = ""
+    ) -> Self:
         """
-        Construct a new UInt64 type from a number.
+        Construct a new UInt64 type from a value.
 
         Args:
-            value: The number to construct a UInt64 from.
+            value: The value to construct a UInt64 from.
+            field_name: The optional field name (for special handling
+                        of base 10 strings).
 
         Returns:
-            The UInt64 constructed from value.
+            The UInt64 constructed from the value.
 
         Raises:
-            XRPLBinaryCodecException: If a UInt64 could not be constructed from value.
+            XRPLBinaryCodecException: If a UInt64 could not be constructed
+                                      from the value.
         """
-        if not isinstance(value, (str, int)):
-            raise XRPLBinaryCodecException(
-                "Invalid type to construct a UInt64: expected str or int,"
-                " received {value.__class__.__name__}."
-            )
-
         if isinstance(value, int):
             if value < 0:
-                raise XRPLBinaryCodecException("{value} must be an unsigned integer")
-            value_bytes = (value).to_bytes(_WIDTH, byteorder="big", signed=False)
+                raise XRPLBinaryCodecException(f"{value} must be an unsigned integer")
+            value_bytes = value.to_bytes(_WIDTH, byteorder="big", signed=False)
             return cls(value_bytes)
 
         if isinstance(value, str):
+            if field_name in SPECIAL_FIELDS and _BASE10_REGEX.fullmatch(value):
+                # Convert base 10 string to hex string
+                value = hex(int(value))[2:]
+
             if not _HEX_REGEX.fullmatch(value):
-                raise XRPLBinaryCodecException("{value} is not a valid hex string")
+                raise XRPLBinaryCodecException(f"{value} is not a valid hex string")
+
             value = value.rjust(16, "0")
             value_bytes = bytes.fromhex(value)
             return cls(value_bytes)
 
         raise XRPLBinaryCodecException(
-            "Cannot construct UInt64 from given value {value}"
+            f"Cannot construct UInt64 from given value {value}"
         )
 
-    def to_json(self: Self) -> str:
+    def to_json(self: Self, field_name: str = "") -> str:
         """
-        Convert a UInt64 object to JSON (hex).
+        Convert a UInt64 object to JSON (hex or base 10, depending on field_name).
+
+        Args:
+            field_name: The optional field name (for special handling
+                        of base 10 format).
 
         Returns:
             The JSON representation of the UInt64 object.
         """
-        return self.buffer.hex().upper()
+        hex_string = self.buffer.hex().upper()
+        if field_name in SPECIAL_FIELDS:
+            return str(int(hex_string, 16))  # Return base 10 string
+        return hex_string
diff --git a/xrpl/models/amounts/__init__.py b/xrpl/models/amounts/__init__.py
index d95f68dc9..4b9e2df0d 100644
--- a/xrpl/models/amounts/__init__.py
+++ b/xrpl/models/amounts/__init__.py
@@ -8,14 +8,18 @@
     Amount,
     get_amount_value,
     is_issued_currency,
+    is_mpt,
     is_xrp,
 )
 from xrpl.models.amounts.issued_currency_amount import IssuedCurrencyAmount
+from xrpl.models.amounts.mpt_amount import MPTAmount
 
 __all__ = [
     "Amount",
     "IssuedCurrencyAmount",
     "is_xrp",
     "is_issued_currency",
+    "is_mpt",
     "get_amount_value",
+    "MPTAmount",
 ]
diff --git a/xrpl/models/amounts/amount.py b/xrpl/models/amounts/amount.py
index 27735787b..58dd2746b 100644
--- a/xrpl/models/amounts/amount.py
+++ b/xrpl/models/amounts/amount.py
@@ -7,13 +7,15 @@
 from typing import Union, cast
 
 from xrpl.models.amounts.issued_currency_amount import IssuedCurrencyAmount
+from xrpl.models.amounts.mpt_amount import MPTAmount
 
-Amount = Union[IssuedCurrencyAmount, str]
+Amount = Union[IssuedCurrencyAmount, MPTAmount, str]
 
 
 def is_xrp(amount: Amount) -> bool:
     """
-    Returns whether amount is an XRP value, as opposed to an issued currency.
+    Returns whether amount is an XRP value, as opposed to an issued currency
+    or MPT value.
 
     Args:
         amount: The Amount object whose type is being checked.
@@ -26,7 +28,8 @@ def is_xrp(amount: Amount) -> bool:
 
 def is_issued_currency(amount: Amount) -> bool:
     """
-    Returns whether amount is an issued currency value, as opposed to an XRP value.
+    Returns whether amount is an issued currency value, as opposed to an XRP
+    or MPT value.
 
     Args:
         amount: The Amount object whose type is being checked.
@@ -37,6 +40,20 @@ def is_issued_currency(amount: Amount) -> bool:
     return isinstance(amount, IssuedCurrencyAmount)
 
 
+def is_mpt(amount: Amount) -> bool:
+    """
+    Returns whether amount is an MPT value, as opposed to an XRP or
+    an issued currency value.
+
+    Args:
+        amount: The Amount object whose type is being checked.
+
+    Returns:
+        Whether the amount is an issued currency value.
+    """
+    return isinstance(amount, MPTAmount)
+
+
 def get_amount_value(amount: Amount) -> float:
     """
     Returns the value of an amount irrespective of its currency.
diff --git a/xrpl/models/amounts/mpt_amount.py b/xrpl/models/amounts/mpt_amount.py
new file mode 100644
index 000000000..ca6f48f21
--- /dev/null
+++ b/xrpl/models/amounts/mpt_amount.py
@@ -0,0 +1,41 @@
+"""Specifies an MPT amount."""
+
+from __future__ import annotations
+
+from dataclasses import dataclass
+from typing import Dict, Union
+
+from typing_extensions import Self
+
+from xrpl.models.base_model import BaseModel
+from xrpl.models.required import REQUIRED
+from xrpl.models.utils import KW_ONLY_DATACLASS, require_kwargs_on_init
+
+
+@require_kwargs_on_init
+@dataclass(frozen=True, **KW_ONLY_DATACLASS)
+class MPTAmount(BaseModel):
+    """Specifies an MPT amount."""
+
+    mpt_issuance_id: str = REQUIRED  # type: ignore
+    """
+    This field is required.
+
+    :meta hide-value:
+    """
+
+    value: Union[str, int, float] = REQUIRED  # type: ignore
+    """
+    This field is required.
+
+    :meta hide-value:
+    """
+
+    def to_dict(self: Self) -> Dict[str, str]:
+        """
+        Returns the dictionary representation of an MPTAmount.
+
+        Returns:
+            The dictionary representation of an MPTAmount.
+        """
+        return {**super().to_dict(), "value": str(self.value)}
diff --git a/xrpl/models/base_model.py b/xrpl/models/base_model.py
index 3b3b8441e..ddaa1bafe 100644
--- a/xrpl/models/base_model.py
+++ b/xrpl/models/base_model.py
@@ -40,11 +40,14 @@
     "did": "DID",
     "id": "ID",
     "lp": "LP",
+    "mptoken": "MPToken",
     "nftoken": "NFToken",
     "unl": "UNL",
     "uri": "URI",
     "xchain": "XChain",
 }
+# Define keys that should be excluded from key to json conversion
+EXCLUDED_KEYS = {"mpt_issuance_id"}
 
 
 def _key_to_json(field: str) -> str:
@@ -59,6 +62,9 @@ def _key_to_json(field: str) -> str:
     Raises:
         XRPLModelException: If the input is invalid
     """
+    if field in EXCLUDED_KEYS:
+        return field
+
     if not re.fullmatch(pattern=_PASCAL_OR_CAMEL_CASE, string=field):
         raise XRPLModelException(f"Key {field} is not in the proper XRPL format.")
 
diff --git a/xrpl/models/requests/account_objects.py b/xrpl/models/requests/account_objects.py
index a0db3f66a..4533c958c 100644
--- a/xrpl/models/requests/account_objects.py
+++ b/xrpl/models/requests/account_objects.py
@@ -25,6 +25,8 @@ class AccountObjectType(str, Enum):
     DEPOSIT_PREAUTH = "deposit_preauth"
     DID = "did"
     ESCROW = "escrow"
+    MPT_ISSUANCE = "mpt_issuance"
+    MPTOKEN = "mptoken"
     NFT_OFFER = "nft_offer"
     OFFER = "offer"
     ORACLE = "oracle"
diff --git a/xrpl/models/requests/ledger_entry.py b/xrpl/models/requests/ledger_entry.py
index e82de695d..789022595 100644
--- a/xrpl/models/requests/ledger_entry.py
+++ b/xrpl/models/requests/ledger_entry.py
@@ -40,6 +40,8 @@ class LedgerEntryType(str, Enum):
     SIGNER_LIST = "signer_list"
     STATE = "state"
     TICKET = "ticket"
+    MPT_ISSUANCE = "mpt_issuance"
+    MPTOKEN = "mptoken"
     NFT_OFFER = "nft_offer"
 
 
@@ -113,6 +115,29 @@ class Escrow(BaseModel):
     """
 
 
+@require_kwargs_on_init
+@dataclass(frozen=True, **KW_ONLY_DATACLASS)
+class MPToken(BaseModel):
+    """
+    Required fields for requesting a MPToken Ledger Entry, if not querying by
+    object ID.
+    """
+
+    mpt_issuance_id: str = REQUIRED  # type: ignore
+    """
+    This field is required.
+
+    :meta hide-value:
+    """
+
+    account: str = REQUIRED  # type: ignore
+    """
+    This field is required.
+
+    :meta hide-value:
+    """
+
+
 @require_kwargs_on_init
 @dataclass(frozen=True, **KW_ONLY_DATACLASS)
 class Offer(BaseModel):
@@ -249,6 +274,8 @@ class LedgerEntry(Request, LookupByLedgerRequest):
     did: Optional[str] = None
     directory: Optional[Union[str, Directory]] = None
     escrow: Optional[Union[str, Escrow]] = None
+    mpt_issuance: Optional[str] = None
+    mptoken: Optional[Union[MPToken, str]] = None
     offer: Optional[Union[str, Offer]] = None
     oracle: Optional[Oracle] = None
     payment_channel: Optional[str] = None
@@ -280,6 +307,8 @@ def _get_errors(self: Self) -> Dict[str, str]:
                 self.directory,
                 self.escrow,
                 self.offer,
+                self.mpt_issuance,
+                self.mptoken,
                 self.oracle,
                 self.payment_channel,
                 self.ripple_state,
diff --git a/xrpl/models/transactions/__init__.py b/xrpl/models/transactions/__init__.py
index ee3304f1b..229fd0903 100644
--- a/xrpl/models/transactions/__init__.py
+++ b/xrpl/models/transactions/__init__.py
@@ -35,6 +35,22 @@
 from xrpl.models.transactions.escrow_create import EscrowCreate
 from xrpl.models.transactions.escrow_finish import EscrowFinish
 from xrpl.models.transactions.metadata import TransactionMetadata
+from xrpl.models.transactions.mptoken_authorize import (
+    MPTokenAuthorize,
+    MPTokenAuthorizeFlag,
+    MPTokenAuthorizeFlagInterface,
+)
+from xrpl.models.transactions.mptoken_issuance_create import (
+    MPTokenIssuanceCreate,
+    MPTokenIssuanceCreateFlag,
+    MPTokenIssuanceCreateFlagInterface,
+)
+from xrpl.models.transactions.mptoken_issuance_destroy import MPTokenIssuanceDestroy
+from xrpl.models.transactions.mptoken_issuance_set import (
+    MPTokenIssuanceSet,
+    MPTokenIssuanceSetFlag,
+    MPTokenIssuanceSetFlagInterface,
+)
 from xrpl.models.transactions.nftoken_accept_offer import NFTokenAcceptOffer
 from xrpl.models.transactions.nftoken_burn import NFTokenBurn
 from xrpl.models.transactions.nftoken_cancel_offer import NFTokenCancelOffer
@@ -120,6 +136,16 @@
     "EscrowCreate",
     "EscrowFinish",
     "Memo",
+    "MPTokenAuthorize",
+    "MPTokenAuthorizeFlag",
+    "MPTokenAuthorizeFlagInterface",
+    "MPTokenIssuanceCreate",
+    "MPTokenIssuanceCreateFlag",
+    "MPTokenIssuanceCreateFlagInterface",
+    "MPTokenIssuanceDestroy",
+    "MPTokenIssuanceSet",
+    "MPTokenIssuanceSetFlag",
+    "MPTokenIssuanceSetFlagInterface",
     "NFTokenAcceptOffer",
     "NFTokenBurn",
     "NFTokenCancelOffer",
diff --git a/xrpl/models/transactions/clawback.py b/xrpl/models/transactions/clawback.py
index a9455bba5..76a20884f 100644
--- a/xrpl/models/transactions/clawback.py
+++ b/xrpl/models/transactions/clawback.py
@@ -3,11 +3,17 @@
 from __future__ import annotations
 
 from dataclasses import dataclass, field
-from typing import Dict
+from typing import Dict, Optional, Union
 
 from typing_extensions import Self
 
-from xrpl.models.amounts import IssuedCurrencyAmount, is_issued_currency, is_xrp
+from xrpl.models.amounts import (
+    IssuedCurrencyAmount,
+    MPTAmount,
+    is_issued_currency,
+    is_xrp,
+)
+from xrpl.models.amounts.amount import is_mpt
 from xrpl.models.required import REQUIRED
 from xrpl.models.transactions.transaction import Transaction
 from xrpl.models.transactions.types import TransactionType
@@ -19,7 +25,7 @@
 class Clawback(Transaction):
     """The clawback transaction claws back issued funds from token holders."""
 
-    amount: IssuedCurrencyAmount = REQUIRED  # type: ignore
+    amount: Union[IssuedCurrencyAmount, MPTAmount] = REQUIRED  # type: ignore
     """
     The amount of currency to claw back. The issuer field is used for the token holder's
     address, from whom the tokens will be clawed back.
@@ -27,6 +33,12 @@ class Clawback(Transaction):
     :meta hide-value:
     """
 
+    holder: Optional[str] = None
+    """
+    Indicates the AccountID that the issuer wants to clawback. This field is only valid
+    for clawing back MPTs.
+    """
+
     transaction_type: TransactionType = field(
         default=TransactionType.CLAWBACK,
         init=False,
@@ -40,7 +52,15 @@ def _get_errors(self: Self) -> Dict[str, str]:
             errors["amount"] = "``amount`` cannot be XRP."
 
         if is_issued_currency(self.amount):
-            if self.account == self.amount.issuer:
+            if self.holder is not None:
+                errors["amount"] = "Cannot have Holder for currency."
+            if self.account == self.amount.issuer:  # type:ignore
                 errors["amount"] = "Holder's address is wrong."
 
+        if is_mpt(self.amount):
+            if self.holder is None:
+                errors["amount"] = "Missing Holder."
+            if self.account == self.holder:
+                errors["amount"] = "Invalid Holder account."
+
         return errors
diff --git a/xrpl/models/transactions/mptoken_authorize.py b/xrpl/models/transactions/mptoken_authorize.py
new file mode 100644
index 000000000..6aa0b8cc1
--- /dev/null
+++ b/xrpl/models/transactions/mptoken_authorize.py
@@ -0,0 +1,64 @@
+"""Model for MPTokenAuthorize transaction type."""
+
+from __future__ import annotations
+
+from dataclasses import dataclass, field
+from enum import Enum
+from typing import Optional
+
+from xrpl.models.flags import FlagInterface
+from xrpl.models.required import REQUIRED
+from xrpl.models.transactions.transaction import Transaction
+from xrpl.models.transactions.types import TransactionType
+from xrpl.models.utils import require_kwargs_on_init
+
+
+class MPTokenAuthorizeFlag(int, Enum):
+    """
+    Transactions of the MPTokenAuthorize type support additional values in the
+    Flags field.
+    This enum represents those options.
+    """
+
+    TF_MPT_UNAUTHORIZE = 0x00000001
+    """
+    If set and transaction is submitted by a holder, it indicates that the holder no
+    longer wants to hold the MPToken, which will be deleted as a result. If the holder's
+    MPToken has non-zero balance while trying to set this flag, the transaction will
+    fail. On the other hand, if set and transaction is submitted by an issuer, it would
+    mean that the issuer wants to unauthorize the holder (only applicable for
+    allow-listing), which would unset the lsfMPTAuthorized flag on the MPToken.
+    """
+
+
+class MPTokenAuthorizeFlagInterface(FlagInterface):
+    """
+    Transactions of the MPTokenAuthorize type support additional values in the
+    Flags field.
+    This TypedDict represents those options.
+    """
+
+    TF_MPT_UNAUTHORIZE: bool
+
+
+@require_kwargs_on_init
+@dataclass(frozen=True)
+class MPTokenAuthorize(Transaction):
+    """
+    The MPTokenAuthorize transaction is used to globally lock/unlock a MPTokenIssuance,
+    or lock/unlock an individual's MPToken.
+    """
+
+    mptoken_issuance_id: str = REQUIRED  # type: ignore
+    """Identifies the MPTokenIssuance"""
+
+    holder: Optional[str] = None
+    """
+    An optional XRPL Address of an individual token holder balance to lock/unlock.
+    If omitted, this transaction will apply to all any accounts holding MPTs.
+    """
+
+    transaction_type: TransactionType = field(
+        default=TransactionType.MPTOKEN_AUTHORIZE,
+        init=False,
+    )
diff --git a/xrpl/models/transactions/mptoken_issuance_create.py b/xrpl/models/transactions/mptoken_issuance_create.py
new file mode 100644
index 000000000..8948af6de
--- /dev/null
+++ b/xrpl/models/transactions/mptoken_issuance_create.py
@@ -0,0 +1,105 @@
+"""Model for MPTokenIssuanceCreate transaction type."""
+
+from __future__ import annotations
+
+from dataclasses import dataclass, field
+from enum import Enum
+from typing import Dict, Optional
+
+from typing_extensions import Self
+
+from xrpl.constants import HEX_REGEX
+from xrpl.models.flags import FlagInterface
+from xrpl.models.transactions.transaction import Transaction
+from xrpl.models.transactions.types import TransactionType
+from xrpl.models.utils import require_kwargs_on_init
+
+
+class MPTokenIssuanceCreateFlag(int, Enum):
+    """
+    Transactions of the MPTokenIssuanceCreate type support additional values in the
+    Flags field.
+    This enum represents those options.
+    """
+
+    TF_MPT_CAN_LOCK = 0x00000002
+    TF_MPT_REQUIRE_AUTH = 0x00000004
+    TF_MPT_CAN_ESCROW = 0x00000008
+    TF_MPT_CAN_TRADE = 0x00000010
+    TF_MPT_CAN_TRANSFER = 0x00000020
+    TF_MPT_CAN_CLAWBACK = 0x00000040
+
+
+class MPTokenIssuanceCreateFlagInterface(FlagInterface):
+    """
+    Transactions of the MPTokenIssuanceCreate type support additional values in the
+    Flags field.
+    This TypedDict represents those options.
+    """
+
+    TF_MPT_CAN_LOCK: bool
+    TF_MPT_REQUIRE_AUTH: bool
+    TF_MPT_CAN_ESCROW: bool
+    TF_MPT_CAN_TRADE: bool
+    TF_MPT_CAN_TRANSFER: bool
+    TF_MPT_CAN_CLAWBACK: bool
+
+
+@require_kwargs_on_init
+@dataclass(frozen=True)
+class MPTokenIssuanceCreate(Transaction):
+    """
+    The MPTokenIssuanceCreate transaction creates a MPTokenIssuance object
+    and adds it to the relevant directory node of the creator account.
+    This transaction is the only opportunity an issuer has to specify any token fields
+    that are defined as immutable (e.g., MPT Flags). If the transaction is successful,
+    the newly created token will be owned by the account (the creator account) which
+    executed the transaction.
+    """
+
+    asset_scale: Optional[int] = None
+    """
+    An asset scale is the difference, in orders of magnitude, between a standard unit
+    and a corresponding fractional unit. More formally, the asset scale is a
+    non-negative integer (0, 1, 2, …) such that one standard unit equals 10^(-scale) of
+    a corresponding fractional unit. If the fractional unit equals the standard unit,
+    then the asset scale is 0.
+    Note that this value is optional, and will default to 0 if not supplied.
+    """
+
+    maximum_amount: Optional[str] = None
+    """
+    Specifies the maximum asset amount of this token that should ever be issued.
+    It is a non-negative integer string that can store a range of up to 63 bits. If
+    not set, the max amount will default to the largest unsigned 63-bit integer
+    (0x7FFFFFFFFFFFFFFF)
+    """
+
+    transfer_fee: Optional[int] = None
+    """
+    Specifies the fee to charged by the issuer for secondary sales of the Token,
+    if such sales are allowed. Valid values for this field are between 0 and 50,000
+    inclusive, allowing transfer rates of between 0.000% and 50.000% in increments of
+    0.001. The field must NOT be present if the `tfMPTCanTransfer` flag is not set.
+    """
+
+    mptoken_metadata: Optional[str] = None
+    """
+    Arbitrary metadata about this issuance, in hex format.
+    """
+
+    transaction_type: TransactionType = field(
+        default=TransactionType.MPTOKEN_ISSUANCE_CREATE,
+        init=False,
+    )
+
+    def _get_errors(self: Self) -> Dict[str, str]:
+        errors = super()._get_errors()
+
+        if self.mptoken_metadata is not None:
+            if len(self.mptoken_metadata) == 0:
+                errors["mptoken_metadata"] = "Field must not be empty string."
+            elif bool(HEX_REGEX.fullmatch(self.mptoken_metadata)) is False:
+                errors["mptoken_metadata"] = "Field must be in hex format."
+
+        return errors
diff --git a/xrpl/models/transactions/mptoken_issuance_destroy.py b/xrpl/models/transactions/mptoken_issuance_destroy.py
new file mode 100644
index 000000000..0fe0a6204
--- /dev/null
+++ b/xrpl/models/transactions/mptoken_issuance_destroy.py
@@ -0,0 +1,30 @@
+"""Model for MPTokenIssuanceDestroy transaction type."""
+
+from __future__ import annotations
+
+from dataclasses import dataclass, field
+
+from xrpl.models.required import REQUIRED
+from xrpl.models.transactions.transaction import Transaction
+from xrpl.models.transactions.types import TransactionType
+from xrpl.models.utils import require_kwargs_on_init
+
+
+@require_kwargs_on_init
+@dataclass(frozen=True)
+class MPTokenIssuanceDestroy(Transaction):
+    """
+    The MPTokenIssuanceDestroy transaction is used to remove an MPTokenIssuance object
+    from the directory node in which it is being held, effectively removing the token
+    from the ledger. If this operation succeeds, the corresponding
+    MPTokenIssuance is removed and the owner’s reserve requirement is reduced by one.
+    This operation must fail if there are any holders who have non-zero balances.
+    """
+
+    mptoken_issuance_id: str = REQUIRED  # type: ignore
+    """Identifies the MPTokenIssuance object to be removed by the transaction."""
+
+    transaction_type: TransactionType = field(
+        default=TransactionType.MPTOKEN_ISSUANCE_DESTROY,
+        init=False,
+    )
diff --git a/xrpl/models/transactions/mptoken_issuance_set.py b/xrpl/models/transactions/mptoken_issuance_set.py
new file mode 100644
index 000000000..792b3372b
--- /dev/null
+++ b/xrpl/models/transactions/mptoken_issuance_set.py
@@ -0,0 +1,81 @@
+"""Model for MPTokenIssuanceSet transaction type."""
+
+from __future__ import annotations
+
+from dataclasses import dataclass, field
+from enum import Enum
+from typing import Dict, Optional
+
+from typing_extensions import Self
+
+from xrpl.models.flags import FlagInterface
+from xrpl.models.required import REQUIRED
+from xrpl.models.transactions.transaction import Transaction
+from xrpl.models.transactions.types import TransactionType
+from xrpl.models.utils import require_kwargs_on_init
+
+
+class MPTokenIssuanceSetFlag(int, Enum):
+    """
+    Transactions of the MPTokenIssuanceSet type support additional values in the
+    Flags field.
+    This enum represents those options.
+    """
+
+    TF_MPT_LOCK = 0x00000001
+    """
+    If set, indicates that the MPT can be locked both individually and globally.
+    If not set, the MPT cannot be locked in any way.
+    """
+
+    TF_MPT_UNLOCK = 0x00000002
+    """
+    If set, indicates that the MPT can be unlocked both individually and globally.
+    If not set, the MPT cannot be unlocked in any way.
+    """
+
+
+class MPTokenIssuanceSetFlagInterface(FlagInterface):
+    """
+    Transactions of the MPTokenIssuanceSet type support additional values in the
+    Flags field.
+    This TypedDict represents those options.
+    """
+
+    TF_MPT_LOCK: bool
+    TF_MPT_UNLOCK: bool
+
+
+@require_kwargs_on_init
+@dataclass(frozen=True)
+class MPTokenIssuanceSet(Transaction):
+    """
+    The MPTokenIssuanceSet transaction is used to globally lock/unlock a
+    MPTokenIssuance, or lock/unlock an individual's MPToken.
+    """
+
+    mptoken_issuance_id: str = REQUIRED  # type: ignore
+    """Identifies the MPTokenIssuance"""
+
+    holder: Optional[str] = None
+    """
+    An optional XRPL Address of an individual token holder balance to lock/unlock.
+    If omitted, this transaction will apply to all any accounts holding MPTs.
+    """
+
+    transaction_type: TransactionType = field(
+        default=TransactionType.MPTOKEN_ISSUANCE_SET,
+        init=False,
+    )
+
+    def _get_errors(self: Self) -> Dict[str, str]:
+        errors = super()._get_errors()
+
+        if self.has_flag(MPTokenIssuanceSetFlag.TF_MPT_LOCK) and self.has_flag(
+            MPTokenIssuanceSetFlag.TF_MPT_UNLOCK
+        ):
+            errors["flags"] = (
+                "flag conflict: both TF_MPT_LOCK and TF_MPT_UNLOCK can't be set"
+            )
+
+        return errors
diff --git a/xrpl/models/transactions/transaction.py b/xrpl/models/transactions/transaction.py
index ea25aab8c..9f9556593 100644
--- a/xrpl/models/transactions/transaction.py
+++ b/xrpl/models/transactions/transaction.py
@@ -10,6 +10,7 @@
 
 from xrpl.core.binarycodec import decode, encode
 from xrpl.models.amounts import IssuedCurrencyAmount
+from xrpl.models.amounts.mpt_amount import MPTAmount
 from xrpl.models.base_model import ABBREVIATIONS, BaseModel
 from xrpl.models.exceptions import XRPLModelException
 from xrpl.models.flags import check_false_flag_definition, interface_to_flag_list
@@ -66,6 +67,8 @@ def _value_to_tx_json(value: XRPL_VALUE_TYPE) -> XRPL_VALUE_TYPE:
         return value
     if IssuedCurrencyAmount.is_dict_of_model(value):
         return value
+    if MPTAmount.is_dict_of_model(value):
+        return value
     if isinstance(value, dict):
         return transaction_json_to_binary_codec_form(value)
     if isinstance(value, list):
diff --git a/xrpl/models/transactions/types/transaction_type.py b/xrpl/models/transactions/types/transaction_type.py
index 0d14e2775..765e5c5c2 100644
--- a/xrpl/models/transactions/types/transaction_type.py
+++ b/xrpl/models/transactions/types/transaction_type.py
@@ -24,6 +24,10 @@ class TransactionType(str, Enum):
     ESCROW_CANCEL = "EscrowCancel"
     ESCROW_CREATE = "EscrowCreate"
     ESCROW_FINISH = "EscrowFinish"
+    MPTOKEN_AUTHORIZE = "MPTokenAuthorize"
+    MPTOKEN_ISSUANCE_CREATE = "MPTokenIssuanceCreate"
+    MPTOKEN_ISSUANCE_DESTROY = "MPTokenIssuanceDestroy"
+    MPTOKEN_ISSUANCE_SET = "MPTokenIssuanceSet"
     NFTOKEN_ACCEPT_OFFER = "NFTokenAcceptOffer"
     NFTOKEN_BURN = "NFTokenBurn"
     NFTOKEN_CANCEL_OFFER = "NFTokenCancelOffer"
diff --git a/xrpl/models/transactions/xchain_claim.py b/xrpl/models/transactions/xchain_claim.py
index 760f44151..875e84546 100644
--- a/xrpl/models/transactions/xchain_claim.py
+++ b/xrpl/models/transactions/xchain_claim.py
@@ -8,6 +8,7 @@
 from typing_extensions import Self
 
 from xrpl.models.amounts import Amount
+from xrpl.models.amounts.amount import is_issued_currency, is_mpt, is_xrp
 from xrpl.models.currencies import XRP
 from xrpl.models.required import REQUIRED
 from xrpl.models.transactions.transaction import Transaction
@@ -77,7 +78,17 @@ def _get_errors(self: Self) -> Dict[str, str]:
         errors = super()._get_errors()
 
         bridge = self.xchain_bridge
-        currency = XRP() if isinstance(self.amount, str) else self.amount.to_currency()
+
+        amount = self.amount
+        if is_xrp(amount):
+            currency = XRP()
+        elif is_issued_currency(amount):
+            currency = amount.to_currency()  # type: ignore
+        elif is_mpt(amount):
+            currency = amount.mpt_issuance_id  # type: ignore
+        else:
+            errors["amount"] = "currency can't be derived."
+
         if (
             currency != bridge.locking_chain_issue
             and currency != bridge.issuing_chain_issue
diff --git a/xrpl/utils/txn_parser/get_balance_changes.py b/xrpl/utils/txn_parser/get_balance_changes.py
index c82511ace..e32df060a 100644
--- a/xrpl/utils/txn_parser/get_balance_changes.py
+++ b/xrpl/utils/txn_parser/get_balance_changes.py
@@ -14,7 +14,8 @@
 
 def get_balance_changes(metadata: TransactionMetadata) -> List[AccountBalances]:
     """
-    Parse all balance changes from a transaction's metadata.
+    Parse all balance changes from a transaction's metadata. Does not include
+    MPT balance.
 
     Args:
         metadata: Transactions metadata.
@@ -23,6 +24,7 @@ def get_balance_changes(metadata: TransactionMetadata) -> List[AccountBalances]:
         All balance changes caused by a transaction.
         The balance changes are grouped by the affected account addresses.
     """
+    # TODO: add support for MPT balance
     return derive_account_balances(metadata, _compute_balance_change)