diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5e47f3fc5..290406179 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@ All notable changes to the Aptos TypeScript SDK will be captured in this file. T
 - Add the `isPrimitive` function to `TypeTag`.
 - Add `showStdout` optional property to `Move` and `LocalNode` classes to control the output of the CLI commands
 - Add support for MultiKey's in transaction simulations
+- Adds default implementation for `toString` and `toStringWithoutPrefix` for `Serializable`
 
 # 1.29.1 (2024-10-09)
 
diff --git a/src/bcs/serializer.ts b/src/bcs/serializer.ts
index 427a3eb22..e6ba4b6dd 100644
--- a/src/bcs/serializer.ts
+++ b/src/bcs/serializer.ts
@@ -41,6 +41,22 @@ export abstract class Serializable {
     const bcsBytes = this.bcsToBytes();
     return Hex.fromHexInput(bcsBytes);
   }
+
+  /**
+   * Returns the hex string representation of the `Serializable` value without the 0x prefix.
+   * @returns the hex format as a string without `0x` prefix.
+   */
+  toStringWithoutPrefix(): string {
+    return this.bcsToHex().toStringWithoutPrefix();
+  }
+
+  /**
+   * Returns the hex string representation of the `Serializable` value with the 0x prefix.
+   * @returns the hex formatas a string prefixed by `0x`.
+   */
+  toString(): string {
+    return `0x${this.toStringWithoutPrefix()}`;
+  }
 }
 
 /**
diff --git a/src/core/authenticationKey.ts b/src/core/authenticationKey.ts
index b8bb544f4..e6fcbfea9 100644
--- a/src/core/authenticationKey.ts
+++ b/src/core/authenticationKey.ts
@@ -69,15 +69,6 @@ export class AuthenticationKey extends Serializable {
     return new AuthenticationKey({ data: bytes });
   }
 
-  /**
-   * Converts the internal data representation to a string format.
-   *
-   * @returns {string} The string representation of the internal data.
-   */
-  toString(): string {
-    return this.data.toString();
-  }
-
   /**
    * Convert the internal data representation to a Uint8Array.
    *
diff --git a/src/core/crypto/ephemeral.ts b/src/core/crypto/ephemeral.ts
index efd1a080d..69e618ed5 100644
--- a/src/core/crypto/ephemeral.ts
+++ b/src/core/crypto/ephemeral.ts
@@ -41,15 +41,6 @@ export class EphemeralPublicKey extends PublicKey {
     }
   }
 
-  /**
-   * Get the public key in bytes as a Uint8Array.
-   *
-   * @returns Uint8Array representation of the public key.
-   */
-  toUint8Array(): Uint8Array {
-    return this.bcsToBytes();
-  }
-
   /**
    * Verifies a signed message using the ephemeral public key.
    *
@@ -129,15 +120,6 @@ export class EphemeralSignature extends Signature {
     }
   }
 
-  /**
-   * Get the public key in bytes (Uint8Array).
-   *
-   * @returns Uint8Array representation of the public key
-   */
-  toUint8Array(): Uint8Array {
-    return this.bcsToBytes();
-  }
-
   /**
    * Deserializes an ephemeral signature from a hexadecimal input.
    * This function allows you to convert a hexadecimal representation of an ephemeral signature into its deserialized form for
diff --git a/src/core/crypto/federatedKeyless.ts b/src/core/crypto/federatedKeyless.ts
index 583639f08..0a2fec22e 100644
--- a/src/core/crypto/federatedKeyless.ts
+++ b/src/core/crypto/federatedKeyless.ts
@@ -3,7 +3,6 @@
 
 import { AccountPublicKey, PublicKey } from "./publicKey";
 import { Deserializer, Serializer } from "../../bcs";
-import { Hex } from "../hex";
 import { HexInput, AnyPublicKeyVariant, SigningScheme } from "../../types";
 import { AuthenticationKey } from "../authenticationKey";
 import { AccountAddress, AccountAddressInput } from "../accountAddress";
@@ -48,24 +47,6 @@ export class FederatedKeylessPublicKey extends AccountPublicKey {
     });
   }
 
-  /**
-   * Get the public key in bytes (Uint8Array).
-   *
-   * @returns Uint8Array representation of the public key
-   */
-  toUint8Array(): Uint8Array {
-    return this.bcsToBytes();
-  }
-
-  /**
-   * Get the public key as a hex string with the 0x prefix.
-   *
-   * @returns string representation of the public key
-   */
-  toString(): string {
-    return Hex.fromHexInput(this.toUint8Array()).toString();
-  }
-
   /**
    * Verifies a signed data with a public key
    *
diff --git a/src/core/crypto/keyless.ts b/src/core/crypto/keyless.ts
index 4c27a335d..e149a2fd1 100644
--- a/src/core/crypto/keyless.ts
+++ b/src/core/crypto/keyless.ts
@@ -97,25 +97,6 @@ export class KeylessPublicKey extends AccountPublicKey {
     });
   }
 
-  /**
-   * Get the public key in bytes as a Uint8Array.
-   *
-   * @returns Uint8Array representation of the public key.
-   */
-  toUint8Array(): Uint8Array;
-  toUint8Array(): Uint8Array {
-    return this.bcsToBytes();
-  }
-
-  /**
-   * Get the public key as a hex string with the 0x prefix.
-   *
-   * @returns string representation of the public key
-   */
-  toString(): string {
-    return Hex.fromHexInput(this.toUint8Array()).toString();
-  }
-
   /**
    * Verifies the validity of a signature for a given message.
    *
@@ -301,15 +282,6 @@ export class KeylessSignature extends Signature {
     this.ephemeralSignature = ephemeralSignature;
   }
 
-  /**
-   * Get the signature in bytes (Uint8Array).
-   *
-   * @returns Uint8Array representation of the signature
-   */
-  toUint8Array(): Uint8Array {
-    return this.bcsToBytes();
-  }
-
   serialize(serializer: Serializer): void {
     this.ephemeralCertificate.serialize(serializer);
     serializer.serializeStr(this.jwtHeader);
@@ -583,15 +555,6 @@ export class ZeroKnowledgeSig extends Signature {
     this.overrideAudVal = overrideAudVal;
   }
 
-  /**
-   * Get the signature in bytes (Uint8Array).
-   *
-   * @returns Uint8Array representation of the signature
-   */
-  toUint8Array(): Uint8Array {
-    return this.bcsToBytes();
-  }
-
   /**
    * Deserialize a ZeroKnowledgeSig object from its BCS serialization in bytes.
    *
diff --git a/src/core/crypto/multiKey.ts b/src/core/crypto/multiKey.ts
index 6d40ed6b3..0317233c4 100644
--- a/src/core/crypto/multiKey.ts
+++ b/src/core/crypto/multiKey.ts
@@ -108,16 +108,6 @@ export class MultiKey extends AccountPublicKey {
     });
   }
 
-  /**
-   * Convert the current instance to a Uint8Array representation.
-   * This is useful for serializing data for transmission or storage.
-   *
-   * @returns Uint8Array representation of the instance.
-   */
-  toUint8Array(): Uint8Array {
-    return this.bcsToBytes();
-  }
-
   // endregion
 
   // region Serializable
@@ -330,14 +320,6 @@ export class MultiKeySignature extends Signature {
     return bitmap;
   }
 
-  // region Signature
-
-  toUint8Array(): Uint8Array {
-    return this.bcsToBytes();
-  }
-
-  // endregion
-
   // region Serializable
 
   serialize(serializer: Serializer): void {
diff --git a/src/core/crypto/proof.ts b/src/core/crypto/proof.ts
index f1cdd632b..4a2d182cc 100644
--- a/src/core/crypto/proof.ts
+++ b/src/core/crypto/proof.ts
@@ -1,18 +1,7 @@
 import { Serializable } from "../../bcs";
-import { Hex } from "../hex";
 
 /**
  * An abstract representation of a cryptographic proof associated with specific
  * zero-knowledge proof schemes, such as Groth16 and PLONK.
  */
-export abstract class Proof extends Serializable {
-  /**
-   * Get the proof as a hex string with a 0x prefix.
-   *
-   * @returns The proof represented as a hex string.
-   */
-  toString(): string {
-    const bytes = this.bcsToBytes();
-    return Hex.fromHexInput(bytes).toString();
-  }
-}
+export abstract class Proof extends Serializable {}
diff --git a/src/core/crypto/publicKey.ts b/src/core/crypto/publicKey.ts
index 16128b012..90a1036a4 100644
--- a/src/core/crypto/publicKey.ts
+++ b/src/core/crypto/publicKey.ts
@@ -32,7 +32,9 @@ export abstract class PublicKey extends Serializable {
   /**
    * Get the raw public key bytes
    */
-  abstract toUint8Array(): Uint8Array;
+  toUint8Array(): Uint8Array {
+    return this.bcsToBytes();
+  }
 
   /**
    * Get the public key as a hex string with a 0x prefix.
diff --git a/src/core/crypto/signature.ts b/src/core/crypto/signature.ts
index b2f6725cc..023ca9358 100644
--- a/src/core/crypto/signature.ts
+++ b/src/core/crypto/signature.ts
@@ -12,7 +12,9 @@ export abstract class Signature extends Serializable {
   /**
    * Get the raw signature bytes
    */
-  abstract toUint8Array(): Uint8Array;
+  toUint8Array(): Uint8Array {
+    return this.bcsToBytes();
+  }
 
   /**
    * Get the signature as a hex string with a 0x prefix e.g. 0x123456...