diff --git a/package.json b/package.json
index ca48cdf..f4c828c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@map3xyz/assets-helper",
-  "version": "1.0.178",
+  "version": "1.0.180",
   "description": "A library for maintaining the assets repo.",
   "author": "pellicceama",
   "keywords": [
diff --git a/src/db/asset.ts b/src/db/asset.ts
index 0b31500..33f1884 100644
--- a/src/db/asset.ts
+++ b/src/db/asset.ts
@@ -1,6 +1,7 @@
 import { Asset } from "../model";
 import { AssetMapping } from "../model/AssetMapping";
 import { getAssetMapping, getAssetsForNetwork, getNetworks } from "../networks";
+import { DEFAULT_REPO_DISK_LOCATION } from "../utils/constants";
 import { ETHEREUM_ASSETS, POLYGON_ASSETS } from "./assets.json";
 
 type AssetInfoCallback = (assetInfo: Asset) => Promise<void>;
@@ -70,3 +71,7 @@ async function getMockAssets(networkId?: string): Promise<Asset[]> {
   return res as Asset[];
 }
 
+export async function getAssetsByNetworkCodeAndSymbol(networkCode: string, symbol: string, dir = DEFAULT_REPO_DISK_LOCATION): Promise<Asset[]> {
+  const assets = await getAssetsForNetwork(networkCode, dir);
+  return assets.filter((asset) => asset.symbol === symbol);
+}
diff --git a/src/model/Asset.ts b/src/model/Asset.ts
index 11c707e..21a809f 100644
--- a/src/model/Asset.ts
+++ b/src/model/Asset.ts
@@ -11,6 +11,7 @@ export class Asset extends ChainObject {
     type: 'asset';
     identifiers: {
         coinmarketcap?: number;
+        binance?: string;
     } | null
 
     constructor(info: Partial<Asset>) {
diff --git a/src/model/Network.ts b/src/model/Network.ts
index 14127f0..671114f 100644
--- a/src/model/Network.ts
+++ b/src/model/Network.ts
@@ -6,6 +6,7 @@ export class Network extends ChainObject {
         bip44?: number;
         chainId?: number;
         coinmarketcap?: number;
+        binance?: string;
     } | null
     regex: {
         address: string;
diff --git a/src/repo/index.ts b/src/repo/index.ts
index 51b8e17..62c16d4 100644
--- a/src/repo/index.ts
+++ b/src/repo/index.ts
@@ -79,11 +79,42 @@ export function getDirPathForTokenlist (network: string, address?: string) {
     return path.join(getDirPathForNetworkCode(network),'assets',`${network}-tokenlist`, (addr ? `/${addr}` : ''));
 }
 
+const ALLOWED_IDENTIFIER_KEYS_FOR_ASSETS = [
+    'coinmarketcap',
+    'binance'
+]
+
+export async function addIdentifierToNetwork(dir: string, networkCode: string, identifierKey: string, identifierValue: string): Promise<{addedIdentifier: boolean}> {
+    if(!ALLOWED_IDENTIFIER_KEYS_FOR_ASSETS.includes(identifierKey)) {
+        throw new Error('Identifier key ' + identifierKey + ' is not allowed for networks');
+    }
+    
+    const networkInfoFilePath = path.join(dir, getDirPathForTokenlist(networkCode), 'info.json');
+
+    if(!fs.existsSync(networkInfoFilePath)) {
+        console.error('addIdentifierToNetwork Cannot find asset info file for network ' + networkCode + ' in directory ' + dir);
+        return { addedIdentifier: false };
+    }
+
+    const networkInfoFile = JSON.parse(fs.readFileSync(networkInfoFilePath, 'utf8'));
+
+    if(!networkInfoFile.identifiers 
+        || Object.keys(networkInfoFile.identifiers).length === 0 
+        || networkInfoFile.identifiers[identifierKey]) {
+        return { addedIdentifier: false };
+    }
+
+    networkInfoFile.identifiers[identifierKey] = identifierValue;
+    networkInfoFile.identifiers = sortObjectKeys(networkInfoFile.identifiers);
+    fs.writeFileSync(networkInfoFilePath, JSON.stringify(networkInfoFile, null, 2));
+
+    return {
+        addedIdentifier: true
+    }
+}
+
 export async function addIdentifierToAsset(dir: string, networkCode: string, address: string, identifierKey: string, identifierValue: string | number): Promise<{addedIdentifier: boolean}> {
 
-    const ALLOWED_IDENTIFIER_KEYS_FOR_ASSETS = [
-        'coinmarketcap'
-    ]
 
     if(!ALLOWED_IDENTIFIER_KEYS_FOR_ASSETS.includes(identifierKey)) {
         throw new Error('Identifier key ' + identifierKey + ' is not allowed for assets');