diff --git a/package.json b/package.json
index fdc93fe366..00d9669047 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "nova-spektr",
   "description": "Polkadot Enterprise application",
-  "version": "1.0.4",
+  "version": "1.0.5",
   "main": "./release/build/main.js",
   "license": "MIT",
   "author": {
diff --git a/src/renderer/services/transaction/common/types.ts b/src/renderer/services/transaction/common/types.ts
index 5f7f2c7d1c..58bb6e63bb 100644
--- a/src/renderer/services/transaction/common/types.ts
+++ b/src/renderer/services/transaction/common/types.ts
@@ -30,7 +30,7 @@ export type ITransactionService = {
   getTransactionDeposit: (threshold: Threshold, api: ApiPromise) => string;
   getTransactionHash: (transaction: Transaction, api: ApiPromise) => HashData;
   decodeCallData: (api: ApiPromise, accountId: Address, callData: CallData) => DecodedTransaction;
-  verifySignature: (payload: string | Uint8Array, signature: HexString, accountId: AccountId) => Boolean;
+  verifySignature: (payload: Uint8Array, signature: HexString, accountId: AccountId) => Boolean;
 };
 
 // =====================================================
diff --git a/src/renderer/services/transaction/transactionService.ts b/src/renderer/services/transaction/transactionService.ts
index 1f3db3bf76..1707be12a9 100644
--- a/src/renderer/services/transaction/transactionService.ts
+++ b/src/renderer/services/transaction/transactionService.ts
@@ -12,7 +12,7 @@ import {
   UnsignedTransaction,
 } from '@substrate/txwrapper-polkadot';
 import { Weight } from '@polkadot/types/interfaces';
-import { signatureVerify } from '@polkadot/util-crypto';
+import { blake2AsU8a, signatureVerify } from '@polkadot/util-crypto';
 
 import { AccountId, HexString, Threshold } from '@renderer/domain/shared-kernel';
 import { Transaction, TransactionType } from '@renderer/domain/transaction';
@@ -99,7 +99,7 @@ export const useTransaction = (): ITransactionService => {
     [TransactionType.ASSET_TRANSFER]: (transaction, info, options) => {
       return methods.assets.transfer(
         {
-          id: transaction.args.assetId,
+          id: transaction.args.asset,
           target: transaction.args.dest,
           amount: transaction.args.value,
         },
@@ -113,7 +113,7 @@ export const useTransaction = (): ITransactionService => {
             {
               dest: transaction.args.dest,
               amount: transaction.args.value,
-              currencyId: transaction.args.assetId,
+              currencyId: transaction.args.asset,
             },
             info,
             options,
@@ -122,7 +122,7 @@ export const useTransaction = (): ITransactionService => {
             {
               dest: transaction.args.dest,
               amount: transaction.args.value,
-              currencyId: transaction.args.assetId,
+              currencyId: transaction.args.asset,
             },
             info,
             options,
@@ -440,8 +440,10 @@ export const useTransaction = (): ITransactionService => {
       });
   };
 
-  const verifySignature = (payload: string | Uint8Array, signature: HexString, accountId: AccountId): Boolean => {
-    return signatureVerify(payload, signature, accountId).isValid;
+  const verifySignature = (payload: Uint8Array, signature: HexString, accountId: AccountId): Boolean => {
+    const payloadToVerify = payload.length > 256 ? blake2AsU8a(payload) : payload;
+
+    return signatureVerify(payloadToVerify, signature, accountId).isValid;
   };
 
   return {