diff --git a/modules/sdk-coin-canton/src/lib/utils.ts b/modules/sdk-coin-canton/src/lib/utils.ts
index fdafe902fb..2c5c191ea2 100644
--- a/modules/sdk-coin-canton/src/lib/utils.ts
+++ b/modules/sdk-coin-canton/src/lib/utils.ts
@@ -20,7 +20,9 @@ export class Utils implements BaseUtils {
 
   /** @inheritdoc */
   isValidBlockId(hash: string): boolean {
-    throw new Error('Method not implemented.');
+    // In canton, there is no block hash, we store the height as the _id (hash)
+    const blockHeight = Number(hash);
+    return !isNaN(blockHeight) && blockHeight > 0;
   }
 
   /** @inheritdoc */
diff --git a/modules/sdk-coin-canton/src/lib/walletInitBuilder.ts b/modules/sdk-coin-canton/src/lib/walletInitBuilder.ts
index 291a0d74cc..a52a3ba281 100644
--- a/modules/sdk-coin-canton/src/lib/walletInitBuilder.ts
+++ b/modules/sdk-coin-canton/src/lib/walletInitBuilder.ts
@@ -8,6 +8,7 @@ import {
   InvalidTransactionError,
   PublicKey,
   Signature,
+  TransactionType,
 } from '@bitgo/sdk-core';
 import { BaseCoin as CoinConfig } from '@bitgo/statics';
 
@@ -37,6 +38,10 @@ export class WalletInitBuilder extends BaseTransactionBuilder {
     this._transaction = tx;
   }
 
+  protected get transactionType(): TransactionType {
+    return TransactionType.WalletInitialization;
+  }
+
   protected buildImplementation(): Promise<WalletInitTransaction> {
     throw new Error('Not implemented');
   }
diff --git a/modules/sdk-coin-canton/test/resources.ts b/modules/sdk-coin-canton/test/resources.ts
index 7d6f1db9b0..455b196792 100644
--- a/modules/sdk-coin-canton/test/resources.ts
+++ b/modules/sdk-coin-canton/test/resources.ts
@@ -72,6 +72,12 @@ export const CANTON_ADDRESSES = {
   MISSING_FINGERPRINT: '12205::',
 };
 
+export const CANTON_BLOCK_HEIGHT = {
+  VALID_HASH: '123456',
+  INVALID_BLOCK_HASH: 'xyz',
+  NEGATIVE_BLOCK_HASH: '-100',
+};
+
 export const TransferAcceptance = {
   partyId: 'ravi-test-party-1::12205b4e3537a95126d90604592344d8ad3c3ddccda4f79901954280ee19c576714d',
   commandId: '3935a06d-3b03-41be-99a5-95b2ecaabf7d',
diff --git a/modules/sdk-coin-canton/test/unit/utils.ts b/modules/sdk-coin-canton/test/unit/utils.ts
index fc0edb2e59..e7d25e88c8 100644
--- a/modules/sdk-coin-canton/test/unit/utils.ts
+++ b/modules/sdk-coin-canton/test/unit/utils.ts
@@ -3,6 +3,7 @@ import should from 'should';
 import utils from '../../src/lib/utils';
 import {
   CANTON_ADDRESSES,
+  CANTON_BLOCK_HEIGHT,
   GenerateTopologyResponse,
   OneStepPreApprovalPrepareResponse,
   PreparedTransactionRawData,
@@ -95,4 +96,24 @@ describe('Canton Util', function () {
       assert.strictEqual(isValid, false);
     });
   });
+
+  describe('Check if block hash is valid', function () {
+    it('should return true when the block hash is valid', function () {
+      const isValid = utils.isValidBlockId(CANTON_BLOCK_HEIGHT.VALID_HASH);
+      should.exist(isValid);
+      assert.strictEqual(isValid, true);
+    });
+
+    it('should return false when the block hash is not a number', function () {
+      const isValid = utils.isValidBlockId(CANTON_BLOCK_HEIGHT.INVALID_BLOCK_HASH);
+      should.exist(isValid);
+      assert.strictEqual(isValid, false);
+    });
+
+    it('should return false when the block hash is negative', function () {
+      const isValid = utils.isValidBlockId(CANTON_BLOCK_HEIGHT.NEGATIVE_BLOCK_HASH);
+      should.exist(isValid);
+      assert.strictEqual(isValid, false);
+    });
+  });
 });