diff --git a/src/ss.rs b/src/ss.rs
index 262881e..699507b 100644
--- a/src/ss.rs
+++ b/src/ss.rs
@@ -101,6 +101,7 @@ impl SecretSharing {
 pub enum Charset {
     Hex,
     Alphanumeric,
+    Base58,
 }
 
 impl Charset {
@@ -111,6 +112,9 @@ impl Charset {
             Charset::Alphanumeric => {
                 "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
             }
+            Charset::Base58 => {
+                "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz"
+            }
         }
     }
 }