diff --git a/lib/bloc/withdraw_form/withdraw_form_bloc.dart b/lib/bloc/withdraw_form/withdraw_form_bloc.dart
index d9c3c4002c..c99d68c61d 100644
--- a/lib/bloc/withdraw_form/withdraw_form_bloc.dart
+++ b/lib/bloc/withdraw_form/withdraw_form_bloc.dart
@@ -6,7 +6,6 @@ import 'package:web_dex/bloc/withdraw_form/withdraw_form_bloc.dart';
 import 'package:web_dex/generated/codegen_loader.g.dart';
 import 'package:web_dex/mm2/mm2_api/rpc/base.dart';
 import 'package:web_dex/mm2/mm2_api/mm2_api.dart';
-import 'package:web_dex/mm2/mm2_api/rpc/send_raw_transaction/send_raw_transaction_request.dart';
 import 'package:web_dex/model/text_error.dart';
 import 'package:web_dex/model/wallet.dart';
 import 'package:web_dex/services/fd_monitor_service.dart';
@@ -23,7 +22,6 @@ import 'package:decimal/decimal.dart';
 class WithdrawFormBloc extends Bloc<WithdrawFormEvent, WithdrawFormState> {
   final KomodoDefiSdk _sdk;
   final WalletType? _walletType;
-  final Mm2Api _mm2Api;
 
   WithdrawFormBloc({
     required Asset asset,
@@ -31,7 +29,6 @@ class WithdrawFormBloc extends Bloc<WithdrawFormEvent, WithdrawFormState> {
     required Mm2Api mm2Api,
     WalletType? walletType,
   }) : _sdk = sdk,
-       _mm2Api = mm2Api,
        _walletType = walletType,
        super(
          WithdrawFormState(
@@ -485,27 +482,24 @@ class WithdrawFormBloc extends Bloc<WithdrawFormEvent, WithdrawFormState> {
         throw Exception('Missing withdrawal preview');
       }
 
-      final response = await _mm2Api.sendRawTransaction(
-        SendRawTransactionRequest(
-          coin: preview.coin,
-          txHex: preview.txHex,
-        ),
-      );
-
-      if (response.txHash == null) {
-        throw Exception(response.error?.message ?? 'Broadcast failed');
+      // Execute the previewed withdrawal (transaction already signed during preview)
+      WithdrawalResult? result;
+      await for (final progress in _sdk.withdrawals.executeWithdrawal(
+        preview,
+        state.asset.id.id,
+      )) {
+        if (progress.status == WithdrawalStatus.complete) {
+          result = progress.withdrawalResult;
+          break;
+        } else if (progress.status == WithdrawalStatus.error) {
+          throw Exception(progress.errorMessage ?? 'Broadcast failed');
+        }
+        // Continue for in-progress states
       }
 
-      final result = WithdrawalResult(
-        txHash: response.txHash!,
-        balanceChanges: preview.balanceChanges,
-        coin: preview.coin,
-        toAddress: preview.to.first,
-        fee: preview.fee,
-        kmdRewardsEligible:
-            preview.kmdRewards != null &&
-            Decimal.parse(preview.kmdRewards!.amount) > Decimal.zero,
-      );
+      if (result == null) {
+        throw Exception('Withdrawal completed without result');
+      }
 
       emit(
         state.copyWith(
diff --git a/lib/blocs/kmd_rewards_bloc.dart b/lib/blocs/kmd_rewards_bloc.dart
index ec31b5d469..b0b8b2b2c0 100644
--- a/lib/blocs/kmd_rewards_bloc.dart
+++ b/lib/blocs/kmd_rewards_bloc.dart
@@ -41,6 +41,13 @@ class KmdRewardsBloc implements BlocBase {
       );
     }
 
+    if (withdrawDetails.txHex == null) {
+      _claimInProgress = false;
+      return BlocResponse(
+        error: TextError(error: LocaleKeys.somethingWrong.tr()),
+      );
+    }
+
     final tx = await _mm2Api.sendRawTransaction(SendRawTransactionRequest(
       coin: 'KMD',
       txHex: withdrawDetails.txHex,
diff --git a/lib/mm2/mm2_api/rpc/send_raw_transaction/send_raw_transaction_request.dart b/lib/mm2/mm2_api/rpc/send_raw_transaction/send_raw_transaction_request.dart
index d3e2573753..d32d9f474a 100644
--- a/lib/mm2/mm2_api/rpc/send_raw_transaction/send_raw_transaction_request.dart
+++ b/lib/mm2/mm2_api/rpc/send_raw_transaction/send_raw_transaction_request.dart
@@ -3,13 +3,18 @@ import 'package:web_dex/mm2/mm2_api/rpc/base.dart';
 class SendRawTransactionRequest implements BaseRequest {
   SendRawTransactionRequest({
     required this.coin,
-    required this.txHex,
-  });
+    this.txHex,
+    this.txJson,
+  }) : assert(
+          txHex != null || txJson != null,
+          'Either txHex or txJson must be provided',
+        );
 
   factory SendRawTransactionRequest.fromJson(Map<String, dynamic> json) {
     return SendRawTransactionRequest(
       coin: json['coin'],
       txHex: json['tx_hex'],
+      txJson: json['tx_json'],
     );
   }
 
@@ -17,7 +22,8 @@ class SendRawTransactionRequest implements BaseRequest {
   final String method = 'send_raw_transaction';
 
   String coin;
-  String txHex;
+  String? txHex;
+  Map<String, dynamic>? txJson;
 
   @override
   late String userpass;
@@ -27,7 +33,8 @@ class SendRawTransactionRequest implements BaseRequest {
     return <String, dynamic>{
       'method': method,
       'coin': coin,
-      'tx_hex': txHex,
+      if (txHex != null) 'tx_hex': txHex,
+      if (txJson != null) 'tx_json': txJson,
       'userpass': userpass,
     };
   }
diff --git a/lib/model/withdraw_details/withdraw_details.dart b/lib/model/withdraw_details/withdraw_details.dart
index 313732a28d..3f34cb10da 100644
--- a/lib/model/withdraw_details/withdraw_details.dart
+++ b/lib/model/withdraw_details/withdraw_details.dart
@@ -2,7 +2,8 @@ import 'package:web_dex/model/withdraw_details/fee_details.dart';
 
 class WithdrawDetails {
   WithdrawDetails({
-    required this.txHex,
+    this.txHex,
+    this.txJson,
     required this.txHash,
     required this.from,
     required this.to,
@@ -15,7 +16,11 @@ class WithdrawDetails {
     required this.feeDetails,
     required this.coin,
     required this.internalId,
-  });
+  }) : assert(
+          txHex != null || txJson != null,
+          'Either txHex or txJson must be provided',
+        );
+
   factory WithdrawDetails.fromJson(Map<String, dynamic> json) {
     final String totalAmount = json['total_amount'].toString();
     final String spentByMe = json['spent_by_me'].toString();
@@ -24,6 +29,7 @@ class WithdrawDetails {
 
     return WithdrawDetails(
       txHex: json['tx_hex'],
+      txJson: json['tx_json'],
       txHash: json['tx_hash'],
       from: List.from(json['from']),
       to: List.from(json['to']),
@@ -55,7 +61,8 @@ class WithdrawDetails {
         internalId: '',
       );
 
-  final String txHex;
+  final String? txHex;
+  final Map<String, dynamic>? txJson;
   final String txHash;
   final List<String> from;
   final List<String> to;
@@ -83,6 +90,7 @@ class WithdrawDetails {
   static WithdrawDetails fromTrezorJson(Map<String, dynamic> json) {
     return WithdrawDetails(
       txHex: json['tx_hex'],
+      txJson: json['tx_json'],
       txHash: json['tx_hash'],
       totalAmount: json['total_amount'].toString(),
       coin: json['coin'],
diff --git a/sdk b/sdk
index ac31382745..91dd9b309b 160000
--- a/sdk
+++ b/sdk
@@ -1 +1 @@
-Subproject commit ac3138274501b20391f5a4e37a8ef7dbd860c059
+Subproject commit 91dd9b309ba4094d3e4fff2ea4bcaed670eb08af