diff --git a/CHANGELOG.md b/CHANGELOG.md
index 994d789..7953de4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.16.2
+
+- fix transfer entry.
+
 ## 0.16.1
 
 - difficulty member type changed in GetInfoResult.
diff --git a/lib/src/data_transfer_objects/dtos.dart b/lib/src/data_transfer_objects/dtos.dart
index 4c91efb..c0e1b31 100644
--- a/lib/src/data_transfer_objects/dtos.dart
+++ b/lib/src/data_transfer_objects/dtos.dart
@@ -64,4 +64,5 @@ export 'wallet/split_address/split_address_params.dart';
 export 'wallet/split_address/split_address_result.dart';
 export 'wallet/transaction_entry/transaction_entry.dart';
 export 'wallet/transaction_entry/transaction_entry_type.dart';
-export 'wallet/transaction_entry/transfer_entry.dart';
+export 'wallet/transaction_entry/transfer_in_entry.dart';
+export 'wallet/transaction_entry/transfer_out_entry.dart';
diff --git a/lib/src/data_transfer_objects/wallet/transaction_entry/transaction_entry_type.dart b/lib/src/data_transfer_objects/wallet/transaction_entry/transaction_entry_type.dart
index e890183..5e23aaa 100644
--- a/lib/src/data_transfer_objects/wallet/transaction_entry/transaction_entry_type.dart
+++ b/lib/src/data_transfer_objects/wallet/transaction_entry/transaction_entry_type.dart
@@ -20,11 +20,11 @@ sealed class TransactionEntryType with _$TransactionEntryType {
 
   const factory TransactionEntryType.incoming({
     @JsonKey(name: 'from') required String from,
-    @JsonKey(name: 'transfers') required List<TransferEntry> transfers,
+    @JsonKey(name: 'transfers') required List<TransferInEntry> transfers,
   }) = IncomingEntry;
 
   const factory TransactionEntryType.outgoing({
-    @JsonKey(name: 'transfers') required List<TransferEntry> transfers,
+    @JsonKey(name: 'transfers') required List<TransferOutEntry> transfers,
   }) = OutgoingEntry;
 
   factory TransactionEntryType.fromJson(Map<String, dynamic> json) =>
diff --git a/lib/src/data_transfer_objects/wallet/transaction_entry/transaction_entry_type.freezed.dart b/lib/src/data_transfer_objects/wallet/transaction_entry/transaction_entry_type.freezed.dart
index 696ef0c..a1697f8 100644
--- a/lib/src/data_transfer_objects/wallet/transaction_entry/transaction_entry_type.freezed.dart
+++ b/lib/src/data_transfer_objects/wallet/transaction_entry/transaction_entry_type.freezed.dart
@@ -43,10 +43,10 @@ mixin _$TransactionEntryType {
             @JsonKey(name: 'amount') int amount)
         burn,
     required TResult Function(@JsonKey(name: 'from') String from,
-            @JsonKey(name: 'transfers') List<TransferEntry> transfers)
+            @JsonKey(name: 'transfers') List<TransferInEntry> transfers)
         incoming,
     required TResult Function(
-            @JsonKey(name: 'transfers') List<TransferEntry> transfers)
+            @JsonKey(name: 'transfers') List<TransferOutEntry> transfers)
         outgoing,
   }) =>
       throw _privateConstructorUsedError;
@@ -57,10 +57,10 @@ mixin _$TransactionEntryType {
             @JsonKey(name: 'amount') int amount)?
         burn,
     TResult? Function(@JsonKey(name: 'from') String from,
-            @JsonKey(name: 'transfers') List<TransferEntry> transfers)?
+            @JsonKey(name: 'transfers') List<TransferInEntry> transfers)?
         incoming,
     TResult? Function(
-            @JsonKey(name: 'transfers') List<TransferEntry> transfers)?
+            @JsonKey(name: 'transfers') List<TransferOutEntry> transfers)?
         outgoing,
   }) =>
       throw _privateConstructorUsedError;
@@ -71,9 +71,10 @@ mixin _$TransactionEntryType {
             @JsonKey(name: 'amount') int amount)?
         burn,
     TResult Function(@JsonKey(name: 'from') String from,
-            @JsonKey(name: 'transfers') List<TransferEntry> transfers)?
+            @JsonKey(name: 'transfers') List<TransferInEntry> transfers)?
         incoming,
-    TResult Function(@JsonKey(name: 'transfers') List<TransferEntry> transfers)?
+    TResult Function(
+            @JsonKey(name: 'transfers') List<TransferOutEntry> transfers)?
         outgoing,
     required TResult orElse(),
   }) =>
@@ -204,10 +205,10 @@ class _$CoinbaseEntryImpl implements CoinbaseEntry {
             @JsonKey(name: 'amount') int amount)
         burn,
     required TResult Function(@JsonKey(name: 'from') String from,
-            @JsonKey(name: 'transfers') List<TransferEntry> transfers)
+            @JsonKey(name: 'transfers') List<TransferInEntry> transfers)
         incoming,
     required TResult Function(
-            @JsonKey(name: 'transfers') List<TransferEntry> transfers)
+            @JsonKey(name: 'transfers') List<TransferOutEntry> transfers)
         outgoing,
   }) {
     return coinbase(reward);
@@ -221,10 +222,10 @@ class _$CoinbaseEntryImpl implements CoinbaseEntry {
             @JsonKey(name: 'amount') int amount)?
         burn,
     TResult? Function(@JsonKey(name: 'from') String from,
-            @JsonKey(name: 'transfers') List<TransferEntry> transfers)?
+            @JsonKey(name: 'transfers') List<TransferInEntry> transfers)?
         incoming,
     TResult? Function(
-            @JsonKey(name: 'transfers') List<TransferEntry> transfers)?
+            @JsonKey(name: 'transfers') List<TransferOutEntry> transfers)?
         outgoing,
   }) {
     return coinbase?.call(reward);
@@ -238,9 +239,10 @@ class _$CoinbaseEntryImpl implements CoinbaseEntry {
             @JsonKey(name: 'amount') int amount)?
         burn,
     TResult Function(@JsonKey(name: 'from') String from,
-            @JsonKey(name: 'transfers') List<TransferEntry> transfers)?
+            @JsonKey(name: 'transfers') List<TransferInEntry> transfers)?
         incoming,
-    TResult Function(@JsonKey(name: 'transfers') List<TransferEntry> transfers)?
+    TResult Function(
+            @JsonKey(name: 'transfers') List<TransferOutEntry> transfers)?
         outgoing,
     required TResult orElse(),
   }) {
@@ -402,10 +404,10 @@ class _$BurnEntryImpl implements BurnEntry {
             @JsonKey(name: 'amount') int amount)
         burn,
     required TResult Function(@JsonKey(name: 'from') String from,
-            @JsonKey(name: 'transfers') List<TransferEntry> transfers)
+            @JsonKey(name: 'transfers') List<TransferInEntry> transfers)
         incoming,
     required TResult Function(
-            @JsonKey(name: 'transfers') List<TransferEntry> transfers)
+            @JsonKey(name: 'transfers') List<TransferOutEntry> transfers)
         outgoing,
   }) {
     return burn(asset, amount);
@@ -419,10 +421,10 @@ class _$BurnEntryImpl implements BurnEntry {
             @JsonKey(name: 'amount') int amount)?
         burn,
     TResult? Function(@JsonKey(name: 'from') String from,
-            @JsonKey(name: 'transfers') List<TransferEntry> transfers)?
+            @JsonKey(name: 'transfers') List<TransferInEntry> transfers)?
         incoming,
     TResult? Function(
-            @JsonKey(name: 'transfers') List<TransferEntry> transfers)?
+            @JsonKey(name: 'transfers') List<TransferOutEntry> transfers)?
         outgoing,
   }) {
     return burn?.call(asset, amount);
@@ -436,9 +438,10 @@ class _$BurnEntryImpl implements BurnEntry {
             @JsonKey(name: 'amount') int amount)?
         burn,
     TResult Function(@JsonKey(name: 'from') String from,
-            @JsonKey(name: 'transfers') List<TransferEntry> transfers)?
+            @JsonKey(name: 'transfers') List<TransferInEntry> transfers)?
         incoming,
-    TResult Function(@JsonKey(name: 'transfers') List<TransferEntry> transfers)?
+    TResult Function(
+            @JsonKey(name: 'transfers') List<TransferOutEntry> transfers)?
         outgoing,
     required TResult orElse(),
   }) {
@@ -518,7 +521,7 @@ abstract class _$$IncomingEntryImplCopyWith<$Res> {
   @useResult
   $Res call(
       {@JsonKey(name: 'from') String from,
-      @JsonKey(name: 'transfers') List<TransferEntry> transfers});
+      @JsonKey(name: 'transfers') List<TransferInEntry> transfers});
 }
 
 /// @nodoc
@@ -543,7 +546,7 @@ class __$$IncomingEntryImplCopyWithImpl<$Res>
       transfers: null == transfers
           ? _value._transfers
           : transfers // ignore: cast_nullable_to_non_nullable
-              as List<TransferEntry>,
+              as List<TransferInEntry>,
     ));
   }
 }
@@ -553,7 +556,8 @@ class __$$IncomingEntryImplCopyWithImpl<$Res>
 class _$IncomingEntryImpl implements IncomingEntry {
   const _$IncomingEntryImpl(
       {@JsonKey(name: 'from') required this.from,
-      @JsonKey(name: 'transfers') required final List<TransferEntry> transfers,
+      @JsonKey(name: 'transfers')
+      required final List<TransferInEntry> transfers,
       final String? $type})
       : _transfers = transfers,
         $type = $type ?? 'incoming';
@@ -564,10 +568,10 @@ class _$IncomingEntryImpl implements IncomingEntry {
   @override
   @JsonKey(name: 'from')
   final String from;
-  final List<TransferEntry> _transfers;
+  final List<TransferInEntry> _transfers;
   @override
   @JsonKey(name: 'transfers')
-  List<TransferEntry> get transfers {
+  List<TransferInEntry> get transfers {
     if (_transfers is EqualUnmodifiableListView) return _transfers;
     // ignore: implicit_dynamic_type
     return EqualUnmodifiableListView(_transfers);
@@ -610,10 +614,10 @@ class _$IncomingEntryImpl implements IncomingEntry {
             @JsonKey(name: 'amount') int amount)
         burn,
     required TResult Function(@JsonKey(name: 'from') String from,
-            @JsonKey(name: 'transfers') List<TransferEntry> transfers)
+            @JsonKey(name: 'transfers') List<TransferInEntry> transfers)
         incoming,
     required TResult Function(
-            @JsonKey(name: 'transfers') List<TransferEntry> transfers)
+            @JsonKey(name: 'transfers') List<TransferOutEntry> transfers)
         outgoing,
   }) {
     return incoming(from, transfers);
@@ -627,10 +631,10 @@ class _$IncomingEntryImpl implements IncomingEntry {
             @JsonKey(name: 'amount') int amount)?
         burn,
     TResult? Function(@JsonKey(name: 'from') String from,
-            @JsonKey(name: 'transfers') List<TransferEntry> transfers)?
+            @JsonKey(name: 'transfers') List<TransferInEntry> transfers)?
         incoming,
     TResult? Function(
-            @JsonKey(name: 'transfers') List<TransferEntry> transfers)?
+            @JsonKey(name: 'transfers') List<TransferOutEntry> transfers)?
         outgoing,
   }) {
     return incoming?.call(from, transfers);
@@ -644,9 +648,10 @@ class _$IncomingEntryImpl implements IncomingEntry {
             @JsonKey(name: 'amount') int amount)?
         burn,
     TResult Function(@JsonKey(name: 'from') String from,
-            @JsonKey(name: 'transfers') List<TransferEntry> transfers)?
+            @JsonKey(name: 'transfers') List<TransferInEntry> transfers)?
         incoming,
-    TResult Function(@JsonKey(name: 'transfers') List<TransferEntry> transfers)?
+    TResult Function(
+            @JsonKey(name: 'transfers') List<TransferOutEntry> transfers)?
         outgoing,
     required TResult orElse(),
   }) {
@@ -705,7 +710,7 @@ abstract class IncomingEntry implements TransactionEntryType {
   const factory IncomingEntry(
       {@JsonKey(name: 'from') required final String from,
       @JsonKey(name: 'transfers')
-      required final List<TransferEntry> transfers}) = _$IncomingEntryImpl;
+      required final List<TransferInEntry> transfers}) = _$IncomingEntryImpl;
 
   factory IncomingEntry.fromJson(Map<String, dynamic> json) =
       _$IncomingEntryImpl.fromJson;
@@ -713,7 +718,7 @@ abstract class IncomingEntry implements TransactionEntryType {
   @JsonKey(name: 'from')
   String get from;
   @JsonKey(name: 'transfers')
-  List<TransferEntry> get transfers;
+  List<TransferInEntry> get transfers;
   @JsonKey(ignore: true)
   _$$IncomingEntryImplCopyWith<_$IncomingEntryImpl> get copyWith =>
       throw _privateConstructorUsedError;
@@ -725,7 +730,7 @@ abstract class _$$OutgoingEntryImplCopyWith<$Res> {
           _$OutgoingEntryImpl value, $Res Function(_$OutgoingEntryImpl) then) =
       __$$OutgoingEntryImplCopyWithImpl<$Res>;
   @useResult
-  $Res call({@JsonKey(name: 'transfers') List<TransferEntry> transfers});
+  $Res call({@JsonKey(name: 'transfers') List<TransferOutEntry> transfers});
 }
 
 /// @nodoc
@@ -745,7 +750,7 @@ class __$$OutgoingEntryImplCopyWithImpl<$Res>
       transfers: null == transfers
           ? _value._transfers
           : transfers // ignore: cast_nullable_to_non_nullable
-              as List<TransferEntry>,
+              as List<TransferOutEntry>,
     ));
   }
 }
@@ -754,7 +759,8 @@ class __$$OutgoingEntryImplCopyWithImpl<$Res>
 @JsonSerializable()
 class _$OutgoingEntryImpl implements OutgoingEntry {
   const _$OutgoingEntryImpl(
-      {@JsonKey(name: 'transfers') required final List<TransferEntry> transfers,
+      {@JsonKey(name: 'transfers')
+      required final List<TransferOutEntry> transfers,
       final String? $type})
       : _transfers = transfers,
         $type = $type ?? 'outgoing';
@@ -762,10 +768,10 @@ class _$OutgoingEntryImpl implements OutgoingEntry {
   factory _$OutgoingEntryImpl.fromJson(Map<String, dynamic> json) =>
       _$$OutgoingEntryImplFromJson(json);
 
-  final List<TransferEntry> _transfers;
+  final List<TransferOutEntry> _transfers;
   @override
   @JsonKey(name: 'transfers')
-  List<TransferEntry> get transfers {
+  List<TransferOutEntry> get transfers {
     if (_transfers is EqualUnmodifiableListView) return _transfers;
     // ignore: implicit_dynamic_type
     return EqualUnmodifiableListView(_transfers);
@@ -807,10 +813,10 @@ class _$OutgoingEntryImpl implements OutgoingEntry {
             @JsonKey(name: 'amount') int amount)
         burn,
     required TResult Function(@JsonKey(name: 'from') String from,
-            @JsonKey(name: 'transfers') List<TransferEntry> transfers)
+            @JsonKey(name: 'transfers') List<TransferInEntry> transfers)
         incoming,
     required TResult Function(
-            @JsonKey(name: 'transfers') List<TransferEntry> transfers)
+            @JsonKey(name: 'transfers') List<TransferOutEntry> transfers)
         outgoing,
   }) {
     return outgoing(transfers);
@@ -824,10 +830,10 @@ class _$OutgoingEntryImpl implements OutgoingEntry {
             @JsonKey(name: 'amount') int amount)?
         burn,
     TResult? Function(@JsonKey(name: 'from') String from,
-            @JsonKey(name: 'transfers') List<TransferEntry> transfers)?
+            @JsonKey(name: 'transfers') List<TransferInEntry> transfers)?
         incoming,
     TResult? Function(
-            @JsonKey(name: 'transfers') List<TransferEntry> transfers)?
+            @JsonKey(name: 'transfers') List<TransferOutEntry> transfers)?
         outgoing,
   }) {
     return outgoing?.call(transfers);
@@ -841,9 +847,10 @@ class _$OutgoingEntryImpl implements OutgoingEntry {
             @JsonKey(name: 'amount') int amount)?
         burn,
     TResult Function(@JsonKey(name: 'from') String from,
-            @JsonKey(name: 'transfers') List<TransferEntry> transfers)?
+            @JsonKey(name: 'transfers') List<TransferInEntry> transfers)?
         incoming,
-    TResult Function(@JsonKey(name: 'transfers') List<TransferEntry> transfers)?
+    TResult Function(
+            @JsonKey(name: 'transfers') List<TransferOutEntry> transfers)?
         outgoing,
     required TResult orElse(),
   }) {
@@ -901,13 +908,13 @@ class _$OutgoingEntryImpl implements OutgoingEntry {
 abstract class OutgoingEntry implements TransactionEntryType {
   const factory OutgoingEntry(
       {@JsonKey(name: 'transfers')
-      required final List<TransferEntry> transfers}) = _$OutgoingEntryImpl;
+      required final List<TransferOutEntry> transfers}) = _$OutgoingEntryImpl;
 
   factory OutgoingEntry.fromJson(Map<String, dynamic> json) =
       _$OutgoingEntryImpl.fromJson;
 
   @JsonKey(name: 'transfers')
-  List<TransferEntry> get transfers;
+  List<TransferOutEntry> get transfers;
   @JsonKey(ignore: true)
   _$$OutgoingEntryImplCopyWith<_$OutgoingEntryImpl> get copyWith =>
       throw _privateConstructorUsedError;
diff --git a/lib/src/data_transfer_objects/wallet/transaction_entry/transaction_entry_type.g.dart b/lib/src/data_transfer_objects/wallet/transaction_entry/transaction_entry_type.g.dart
index dfcf019..65be5c4 100644
--- a/lib/src/data_transfer_objects/wallet/transaction_entry/transaction_entry_type.g.dart
+++ b/lib/src/data_transfer_objects/wallet/transaction_entry/transaction_entry_type.g.dart
@@ -38,7 +38,7 @@ _$IncomingEntryImpl _$$IncomingEntryImplFromJson(Map<String, dynamic> json) =>
     _$IncomingEntryImpl(
       from: json['from'] as String,
       transfers: (json['transfers'] as List<dynamic>)
-          .map((e) => TransferEntry.fromJson(e as Map<String, dynamic>))
+          .map((e) => TransferInEntry.fromJson(e as Map<String, dynamic>))
           .toList(),
       $type: json['runtimeType'] as String?,
     );
@@ -53,7 +53,7 @@ Map<String, dynamic> _$$IncomingEntryImplToJson(_$IncomingEntryImpl instance) =>
 _$OutgoingEntryImpl _$$OutgoingEntryImplFromJson(Map<String, dynamic> json) =>
     _$OutgoingEntryImpl(
       transfers: (json['transfers'] as List<dynamic>)
-          .map((e) => TransferEntry.fromJson(e as Map<String, dynamic>))
+          .map((e) => TransferOutEntry.fromJson(e as Map<String, dynamic>))
           .toList(),
       $type: json['runtimeType'] as String?,
     );
diff --git a/lib/src/data_transfer_objects/wallet/transaction_entry/transfer_entry.dart b/lib/src/data_transfer_objects/wallet/transaction_entry/transfer_entry.dart
deleted file mode 100644
index 4828518..0000000
--- a/lib/src/data_transfer_objects/wallet/transaction_entry/transfer_entry.dart
+++ /dev/null
@@ -1,20 +0,0 @@
-// ignore_for_file: public_member_api_docs, invalid_annotation_target
-
-import 'package:freezed_annotation/freezed_annotation.dart';
-
-part 'transfer_entry.freezed.dart';
-
-part 'transfer_entry.g.dart';
-
-@freezed
-class TransferEntry with _$TransferEntry {
-  const factory TransferEntry({
-    @JsonKey(name: 'amount') required int amount,
-    @JsonKey(name: 'asset') required String asset,
-    @JsonKey(name: 'extra_data') required dynamic extraData,
-    @JsonKey(name: 'key') required String key,
-  }) = _TransferEntry;
-
-  factory TransferEntry.fromJson(Map<String, dynamic> json) =>
-      _$TransferEntryFromJson(json);
-}
diff --git a/lib/src/data_transfer_objects/wallet/transaction_entry/transfer_in_entry.dart b/lib/src/data_transfer_objects/wallet/transaction_entry/transfer_in_entry.dart
new file mode 100644
index 0000000..210b132
--- /dev/null
+++ b/lib/src/data_transfer_objects/wallet/transaction_entry/transfer_in_entry.dart
@@ -0,0 +1,19 @@
+// ignore_for_file: public_member_api_docs, invalid_annotation_target
+
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+part 'transfer_in_entry.freezed.dart';
+
+part 'transfer_in_entry.g.dart';
+
+@freezed
+class TransferInEntry with _$TransferInEntry {
+  const factory TransferInEntry({
+    @JsonKey(name: 'amount') required int amount,
+    @JsonKey(name: 'asset') required String asset,
+    @JsonKey(name: 'extra_data') required dynamic extraData,
+  }) = _TransferInEntry;
+
+  factory TransferInEntry.fromJson(Map<String, dynamic> json) =>
+      _$TransferInEntryFromJson(json);
+}
diff --git a/lib/src/data_transfer_objects/wallet/transaction_entry/transfer_entry.freezed.dart b/lib/src/data_transfer_objects/wallet/transaction_entry/transfer_in_entry.freezed.dart
similarity index 57%
rename from lib/src/data_transfer_objects/wallet/transaction_entry/transfer_entry.freezed.dart
rename to lib/src/data_transfer_objects/wallet/transaction_entry/transfer_in_entry.freezed.dart
index f823e2a..6b91d0c 100644
--- a/lib/src/data_transfer_objects/wallet/transaction_entry/transfer_entry.freezed.dart
+++ b/lib/src/data_transfer_objects/wallet/transaction_entry/transfer_in_entry.freezed.dart
@@ -3,7 +3,7 @@
 // ignore_for_file: type=lint
 // ignore_for_file: unused_element, deprecated_member_use, deprecated_member_use_from_same_package, use_function_type_syntax_for_parameters, unnecessary_const, avoid_init_to_null, invalid_override_different_default_values_named, prefer_expression_function_bodies, annotate_overrides, invalid_annotation_target, unnecessary_question_mark
 
-part of 'transfer_entry.dart';
+part of 'transfer_in_entry.dart';
 
 // **************************************************************************
 // FreezedGenerator
@@ -14,44 +14,41 @@ T _$identity<T>(T value) => value;
 final _privateConstructorUsedError = UnsupportedError(
     'It seems like you constructed your class using `MyClass._()`. This constructor is only meant to be used by freezed and you are not supposed to need it nor use it.\nPlease check the documentation here for more information: https://github.com/rrousselGit/freezed#adding-getters-and-methods-to-our-models');
 
-TransferEntry _$TransferEntryFromJson(Map<String, dynamic> json) {
-  return _TransferEntry.fromJson(json);
+TransferInEntry _$TransferInEntryFromJson(Map<String, dynamic> json) {
+  return _TransferInEntry.fromJson(json);
 }
 
 /// @nodoc
-mixin _$TransferEntry {
+mixin _$TransferInEntry {
   @JsonKey(name: 'amount')
   int get amount => throw _privateConstructorUsedError;
   @JsonKey(name: 'asset')
   String get asset => throw _privateConstructorUsedError;
   @JsonKey(name: 'extra_data')
   dynamic get extraData => throw _privateConstructorUsedError;
-  @JsonKey(name: 'key')
-  String get key => throw _privateConstructorUsedError;
 
   Map<String, dynamic> toJson() => throw _privateConstructorUsedError;
   @JsonKey(ignore: true)
-  $TransferEntryCopyWith<TransferEntry> get copyWith =>
+  $TransferInEntryCopyWith<TransferInEntry> get copyWith =>
       throw _privateConstructorUsedError;
 }
 
 /// @nodoc
-abstract class $TransferEntryCopyWith<$Res> {
-  factory $TransferEntryCopyWith(
-          TransferEntry value, $Res Function(TransferEntry) then) =
-      _$TransferEntryCopyWithImpl<$Res, TransferEntry>;
+abstract class $TransferInEntryCopyWith<$Res> {
+  factory $TransferInEntryCopyWith(
+          TransferInEntry value, $Res Function(TransferInEntry) then) =
+      _$TransferInEntryCopyWithImpl<$Res, TransferInEntry>;
   @useResult
   $Res call(
       {@JsonKey(name: 'amount') int amount,
       @JsonKey(name: 'asset') String asset,
-      @JsonKey(name: 'extra_data') dynamic extraData,
-      @JsonKey(name: 'key') String key});
+      @JsonKey(name: 'extra_data') dynamic extraData});
 }
 
 /// @nodoc
-class _$TransferEntryCopyWithImpl<$Res, $Val extends TransferEntry>
-    implements $TransferEntryCopyWith<$Res> {
-  _$TransferEntryCopyWithImpl(this._value, this._then);
+class _$TransferInEntryCopyWithImpl<$Res, $Val extends TransferInEntry>
+    implements $TransferInEntryCopyWith<$Res> {
+  _$TransferInEntryCopyWithImpl(this._value, this._then);
 
   // ignore: unused_field
   final $Val _value;
@@ -64,7 +61,6 @@ class _$TransferEntryCopyWithImpl<$Res, $Val extends TransferEntry>
     Object? amount = null,
     Object? asset = null,
     Object? extraData = freezed,
-    Object? key = null,
   }) {
     return _then(_value.copyWith(
       amount: null == amount
@@ -79,35 +75,30 @@ class _$TransferEntryCopyWithImpl<$Res, $Val extends TransferEntry>
           ? _value.extraData
           : extraData // ignore: cast_nullable_to_non_nullable
               as dynamic,
-      key: null == key
-          ? _value.key
-          : key // ignore: cast_nullable_to_non_nullable
-              as String,
     ) as $Val);
   }
 }
 
 /// @nodoc
-abstract class _$$TransferEntryImplCopyWith<$Res>
-    implements $TransferEntryCopyWith<$Res> {
-  factory _$$TransferEntryImplCopyWith(
-          _$TransferEntryImpl value, $Res Function(_$TransferEntryImpl) then) =
-      __$$TransferEntryImplCopyWithImpl<$Res>;
+abstract class _$$TransferInEntryImplCopyWith<$Res>
+    implements $TransferInEntryCopyWith<$Res> {
+  factory _$$TransferInEntryImplCopyWith(_$TransferInEntryImpl value,
+          $Res Function(_$TransferInEntryImpl) then) =
+      __$$TransferInEntryImplCopyWithImpl<$Res>;
   @override
   @useResult
   $Res call(
       {@JsonKey(name: 'amount') int amount,
       @JsonKey(name: 'asset') String asset,
-      @JsonKey(name: 'extra_data') dynamic extraData,
-      @JsonKey(name: 'key') String key});
+      @JsonKey(name: 'extra_data') dynamic extraData});
 }
 
 /// @nodoc
-class __$$TransferEntryImplCopyWithImpl<$Res>
-    extends _$TransferEntryCopyWithImpl<$Res, _$TransferEntryImpl>
-    implements _$$TransferEntryImplCopyWith<$Res> {
-  __$$TransferEntryImplCopyWithImpl(
-      _$TransferEntryImpl _value, $Res Function(_$TransferEntryImpl) _then)
+class __$$TransferInEntryImplCopyWithImpl<$Res>
+    extends _$TransferInEntryCopyWithImpl<$Res, _$TransferInEntryImpl>
+    implements _$$TransferInEntryImplCopyWith<$Res> {
+  __$$TransferInEntryImplCopyWithImpl(
+      _$TransferInEntryImpl _value, $Res Function(_$TransferInEntryImpl) _then)
       : super(_value, _then);
 
   @pragma('vm:prefer-inline')
@@ -116,9 +107,8 @@ class __$$TransferEntryImplCopyWithImpl<$Res>
     Object? amount = null,
     Object? asset = null,
     Object? extraData = freezed,
-    Object? key = null,
   }) {
-    return _then(_$TransferEntryImpl(
+    return _then(_$TransferInEntryImpl(
       amount: null == amount
           ? _value.amount
           : amount // ignore: cast_nullable_to_non_nullable
@@ -131,25 +121,20 @@ class __$$TransferEntryImplCopyWithImpl<$Res>
           ? _value.extraData
           : extraData // ignore: cast_nullable_to_non_nullable
               as dynamic,
-      key: null == key
-          ? _value.key
-          : key // ignore: cast_nullable_to_non_nullable
-              as String,
     ));
   }
 }
 
 /// @nodoc
 @JsonSerializable()
-class _$TransferEntryImpl implements _TransferEntry {
-  const _$TransferEntryImpl(
+class _$TransferInEntryImpl implements _TransferInEntry {
+  const _$TransferInEntryImpl(
       {@JsonKey(name: 'amount') required this.amount,
       @JsonKey(name: 'asset') required this.asset,
-      @JsonKey(name: 'extra_data') required this.extraData,
-      @JsonKey(name: 'key') required this.key});
+      @JsonKey(name: 'extra_data') required this.extraData});
 
-  factory _$TransferEntryImpl.fromJson(Map<String, dynamic> json) =>
-      _$$TransferEntryImplFromJson(json);
+  factory _$TransferInEntryImpl.fromJson(Map<String, dynamic> json) =>
+      _$$TransferInEntryImplFromJson(json);
 
   @override
   @JsonKey(name: 'amount')
@@ -160,54 +145,51 @@ class _$TransferEntryImpl implements _TransferEntry {
   @override
   @JsonKey(name: 'extra_data')
   final dynamic extraData;
-  @override
-  @JsonKey(name: 'key')
-  final String key;
 
   @override
   String toString() {
-    return 'TransferEntry(amount: $amount, asset: $asset, extraData: $extraData, key: $key)';
+    return 'TransferInEntry(amount: $amount, asset: $asset, extraData: $extraData)';
   }
 
   @override
   bool operator ==(Object other) {
     return identical(this, other) ||
         (other.runtimeType == runtimeType &&
-            other is _$TransferEntryImpl &&
+            other is _$TransferInEntryImpl &&
             (identical(other.amount, amount) || other.amount == amount) &&
             (identical(other.asset, asset) || other.asset == asset) &&
-            const DeepCollectionEquality().equals(other.extraData, extraData) &&
-            (identical(other.key, key) || other.key == key));
+            const DeepCollectionEquality().equals(other.extraData, extraData));
   }
 
   @JsonKey(ignore: true)
   @override
   int get hashCode => Object.hash(runtimeType, amount, asset,
-      const DeepCollectionEquality().hash(extraData), key);
+      const DeepCollectionEquality().hash(extraData));
 
   @JsonKey(ignore: true)
   @override
   @pragma('vm:prefer-inline')
-  _$$TransferEntryImplCopyWith<_$TransferEntryImpl> get copyWith =>
-      __$$TransferEntryImplCopyWithImpl<_$TransferEntryImpl>(this, _$identity);
+  _$$TransferInEntryImplCopyWith<_$TransferInEntryImpl> get copyWith =>
+      __$$TransferInEntryImplCopyWithImpl<_$TransferInEntryImpl>(
+          this, _$identity);
 
   @override
   Map<String, dynamic> toJson() {
-    return _$$TransferEntryImplToJson(
+    return _$$TransferInEntryImplToJson(
       this,
     );
   }
 }
 
-abstract class _TransferEntry implements TransferEntry {
-  const factory _TransferEntry(
-      {@JsonKey(name: 'amount') required final int amount,
-      @JsonKey(name: 'asset') required final String asset,
-      @JsonKey(name: 'extra_data') required final dynamic extraData,
-      @JsonKey(name: 'key') required final String key}) = _$TransferEntryImpl;
+abstract class _TransferInEntry implements TransferInEntry {
+  const factory _TransferInEntry(
+          {@JsonKey(name: 'amount') required final int amount,
+          @JsonKey(name: 'asset') required final String asset,
+          @JsonKey(name: 'extra_data') required final dynamic extraData}) =
+      _$TransferInEntryImpl;
 
-  factory _TransferEntry.fromJson(Map<String, dynamic> json) =
-      _$TransferEntryImpl.fromJson;
+  factory _TransferInEntry.fromJson(Map<String, dynamic> json) =
+      _$TransferInEntryImpl.fromJson;
 
   @override
   @JsonKey(name: 'amount')
@@ -219,10 +201,7 @@ abstract class _TransferEntry implements TransferEntry {
   @JsonKey(name: 'extra_data')
   dynamic get extraData;
   @override
-  @JsonKey(name: 'key')
-  String get key;
-  @override
   @JsonKey(ignore: true)
-  _$$TransferEntryImplCopyWith<_$TransferEntryImpl> get copyWith =>
+  _$$TransferInEntryImplCopyWith<_$TransferInEntryImpl> get copyWith =>
       throw _privateConstructorUsedError;
 }
diff --git a/lib/src/data_transfer_objects/wallet/transaction_entry/transfer_entry.g.dart b/lib/src/data_transfer_objects/wallet/transaction_entry/transfer_in_entry.g.dart
similarity index 66%
rename from lib/src/data_transfer_objects/wallet/transaction_entry/transfer_entry.g.dart
rename to lib/src/data_transfer_objects/wallet/transaction_entry/transfer_in_entry.g.dart
index 20812e4..248128e 100644
--- a/lib/src/data_transfer_objects/wallet/transaction_entry/transfer_entry.g.dart
+++ b/lib/src/data_transfer_objects/wallet/transaction_entry/transfer_in_entry.g.dart
@@ -2,24 +2,24 @@
 
 // ignore_for_file: package_api_docs, non_constant_identifier_names
 
-part of 'transfer_entry.dart';
+part of 'transfer_in_entry.dart';
 
 // **************************************************************************
 // JsonSerializableGenerator
 // **************************************************************************
 
-_$TransferEntryImpl _$$TransferEntryImplFromJson(Map<String, dynamic> json) =>
-    _$TransferEntryImpl(
+_$TransferInEntryImpl _$$TransferInEntryImplFromJson(
+        Map<String, dynamic> json) =>
+    _$TransferInEntryImpl(
       amount: json['amount'] as int,
       asset: json['asset'] as String,
       extraData: json['extra_data'],
-      key: json['key'] as String,
     );
 
-Map<String, dynamic> _$$TransferEntryImplToJson(_$TransferEntryImpl instance) =>
+Map<String, dynamic> _$$TransferInEntryImplToJson(
+        _$TransferInEntryImpl instance) =>
     <String, dynamic>{
       'amount': instance.amount,
       'asset': instance.asset,
       'extra_data': instance.extraData,
-      'key': instance.key,
     };
diff --git a/lib/src/data_transfer_objects/wallet/transaction_entry/transfer_out_entry.dart b/lib/src/data_transfer_objects/wallet/transaction_entry/transfer_out_entry.dart
new file mode 100644
index 0000000..6a48364
--- /dev/null
+++ b/lib/src/data_transfer_objects/wallet/transaction_entry/transfer_out_entry.dart
@@ -0,0 +1,20 @@
+// ignore_for_file: public_member_api_docs, invalid_annotation_target
+
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+part 'transfer_out_entry.freezed.dart';
+
+part 'transfer_out_entry.g.dart';
+
+@freezed
+class TransferOutEntry with _$TransferOutEntry {
+  const factory TransferOutEntry({
+    @JsonKey(name: 'destination') required String destination,
+    @JsonKey(name: 'amount') required int amount,
+    @JsonKey(name: 'asset') required String asset,
+    @JsonKey(name: 'extra_data') required dynamic extraData,
+  }) = _TransferOutEntry;
+
+  factory TransferOutEntry.fromJson(Map<String, dynamic> json) =>
+      _$TransferOutEntryFromJson(json);
+}
diff --git a/lib/src/data_transfer_objects/wallet/transaction_entry/transfer_out_entry.freezed.dart b/lib/src/data_transfer_objects/wallet/transaction_entry/transfer_out_entry.freezed.dart
new file mode 100644
index 0000000..c431d5b
--- /dev/null
+++ b/lib/src/data_transfer_objects/wallet/transaction_entry/transfer_out_entry.freezed.dart
@@ -0,0 +1,231 @@
+// coverage:ignore-file
+// GENERATED CODE - DO NOT MODIFY BY HAND
+// ignore_for_file: type=lint
+// ignore_for_file: unused_element, deprecated_member_use, deprecated_member_use_from_same_package, use_function_type_syntax_for_parameters, unnecessary_const, avoid_init_to_null, invalid_override_different_default_values_named, prefer_expression_function_bodies, annotate_overrides, invalid_annotation_target, unnecessary_question_mark
+
+part of 'transfer_out_entry.dart';
+
+// **************************************************************************
+// FreezedGenerator
+// **************************************************************************
+
+T _$identity<T>(T value) => value;
+
+final _privateConstructorUsedError = UnsupportedError(
+    'It seems like you constructed your class using `MyClass._()`. This constructor is only meant to be used by freezed and you are not supposed to need it nor use it.\nPlease check the documentation here for more information: https://github.com/rrousselGit/freezed#adding-getters-and-methods-to-our-models');
+
+TransferOutEntry _$TransferOutEntryFromJson(Map<String, dynamic> json) {
+  return _TransferOutEntry.fromJson(json);
+}
+
+/// @nodoc
+mixin _$TransferOutEntry {
+  @JsonKey(name: 'destination')
+  String get destination => throw _privateConstructorUsedError;
+  @JsonKey(name: 'amount')
+  int get amount => throw _privateConstructorUsedError;
+  @JsonKey(name: 'asset')
+  String get asset => throw _privateConstructorUsedError;
+  @JsonKey(name: 'extra_data')
+  dynamic get extraData => throw _privateConstructorUsedError;
+
+  Map<String, dynamic> toJson() => throw _privateConstructorUsedError;
+  @JsonKey(ignore: true)
+  $TransferOutEntryCopyWith<TransferOutEntry> get copyWith =>
+      throw _privateConstructorUsedError;
+}
+
+/// @nodoc
+abstract class $TransferOutEntryCopyWith<$Res> {
+  factory $TransferOutEntryCopyWith(
+          TransferOutEntry value, $Res Function(TransferOutEntry) then) =
+      _$TransferOutEntryCopyWithImpl<$Res, TransferOutEntry>;
+  @useResult
+  $Res call(
+      {@JsonKey(name: 'destination') String destination,
+      @JsonKey(name: 'amount') int amount,
+      @JsonKey(name: 'asset') String asset,
+      @JsonKey(name: 'extra_data') dynamic extraData});
+}
+
+/// @nodoc
+class _$TransferOutEntryCopyWithImpl<$Res, $Val extends TransferOutEntry>
+    implements $TransferOutEntryCopyWith<$Res> {
+  _$TransferOutEntryCopyWithImpl(this._value, this._then);
+
+  // ignore: unused_field
+  final $Val _value;
+  // ignore: unused_field
+  final $Res Function($Val) _then;
+
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? destination = null,
+    Object? amount = null,
+    Object? asset = null,
+    Object? extraData = freezed,
+  }) {
+    return _then(_value.copyWith(
+      destination: null == destination
+          ? _value.destination
+          : destination // ignore: cast_nullable_to_non_nullable
+              as String,
+      amount: null == amount
+          ? _value.amount
+          : amount // ignore: cast_nullable_to_non_nullable
+              as int,
+      asset: null == asset
+          ? _value.asset
+          : asset // ignore: cast_nullable_to_non_nullable
+              as String,
+      extraData: freezed == extraData
+          ? _value.extraData
+          : extraData // ignore: cast_nullable_to_non_nullable
+              as dynamic,
+    ) as $Val);
+  }
+}
+
+/// @nodoc
+abstract class _$$TransferOutEntryImplCopyWith<$Res>
+    implements $TransferOutEntryCopyWith<$Res> {
+  factory _$$TransferOutEntryImplCopyWith(_$TransferOutEntryImpl value,
+          $Res Function(_$TransferOutEntryImpl) then) =
+      __$$TransferOutEntryImplCopyWithImpl<$Res>;
+  @override
+  @useResult
+  $Res call(
+      {@JsonKey(name: 'destination') String destination,
+      @JsonKey(name: 'amount') int amount,
+      @JsonKey(name: 'asset') String asset,
+      @JsonKey(name: 'extra_data') dynamic extraData});
+}
+
+/// @nodoc
+class __$$TransferOutEntryImplCopyWithImpl<$Res>
+    extends _$TransferOutEntryCopyWithImpl<$Res, _$TransferOutEntryImpl>
+    implements _$$TransferOutEntryImplCopyWith<$Res> {
+  __$$TransferOutEntryImplCopyWithImpl(_$TransferOutEntryImpl _value,
+      $Res Function(_$TransferOutEntryImpl) _then)
+      : super(_value, _then);
+
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? destination = null,
+    Object? amount = null,
+    Object? asset = null,
+    Object? extraData = freezed,
+  }) {
+    return _then(_$TransferOutEntryImpl(
+      destination: null == destination
+          ? _value.destination
+          : destination // ignore: cast_nullable_to_non_nullable
+              as String,
+      amount: null == amount
+          ? _value.amount
+          : amount // ignore: cast_nullable_to_non_nullable
+              as int,
+      asset: null == asset
+          ? _value.asset
+          : asset // ignore: cast_nullable_to_non_nullable
+              as String,
+      extraData: freezed == extraData
+          ? _value.extraData
+          : extraData // ignore: cast_nullable_to_non_nullable
+              as dynamic,
+    ));
+  }
+}
+
+/// @nodoc
+@JsonSerializable()
+class _$TransferOutEntryImpl implements _TransferOutEntry {
+  const _$TransferOutEntryImpl(
+      {@JsonKey(name: 'destination') required this.destination,
+      @JsonKey(name: 'amount') required this.amount,
+      @JsonKey(name: 'asset') required this.asset,
+      @JsonKey(name: 'extra_data') required this.extraData});
+
+  factory _$TransferOutEntryImpl.fromJson(Map<String, dynamic> json) =>
+      _$$TransferOutEntryImplFromJson(json);
+
+  @override
+  @JsonKey(name: 'destination')
+  final String destination;
+  @override
+  @JsonKey(name: 'amount')
+  final int amount;
+  @override
+  @JsonKey(name: 'asset')
+  final String asset;
+  @override
+  @JsonKey(name: 'extra_data')
+  final dynamic extraData;
+
+  @override
+  String toString() {
+    return 'TransferOutEntry(destination: $destination, amount: $amount, asset: $asset, extraData: $extraData)';
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return identical(this, other) ||
+        (other.runtimeType == runtimeType &&
+            other is _$TransferOutEntryImpl &&
+            (identical(other.destination, destination) ||
+                other.destination == destination) &&
+            (identical(other.amount, amount) || other.amount == amount) &&
+            (identical(other.asset, asset) || other.asset == asset) &&
+            const DeepCollectionEquality().equals(other.extraData, extraData));
+  }
+
+  @JsonKey(ignore: true)
+  @override
+  int get hashCode => Object.hash(runtimeType, destination, amount, asset,
+      const DeepCollectionEquality().hash(extraData));
+
+  @JsonKey(ignore: true)
+  @override
+  @pragma('vm:prefer-inline')
+  _$$TransferOutEntryImplCopyWith<_$TransferOutEntryImpl> get copyWith =>
+      __$$TransferOutEntryImplCopyWithImpl<_$TransferOutEntryImpl>(
+          this, _$identity);
+
+  @override
+  Map<String, dynamic> toJson() {
+    return _$$TransferOutEntryImplToJson(
+      this,
+    );
+  }
+}
+
+abstract class _TransferOutEntry implements TransferOutEntry {
+  const factory _TransferOutEntry(
+          {@JsonKey(name: 'destination') required final String destination,
+          @JsonKey(name: 'amount') required final int amount,
+          @JsonKey(name: 'asset') required final String asset,
+          @JsonKey(name: 'extra_data') required final dynamic extraData}) =
+      _$TransferOutEntryImpl;
+
+  factory _TransferOutEntry.fromJson(Map<String, dynamic> json) =
+      _$TransferOutEntryImpl.fromJson;
+
+  @override
+  @JsonKey(name: 'destination')
+  String get destination;
+  @override
+  @JsonKey(name: 'amount')
+  int get amount;
+  @override
+  @JsonKey(name: 'asset')
+  String get asset;
+  @override
+  @JsonKey(name: 'extra_data')
+  dynamic get extraData;
+  @override
+  @JsonKey(ignore: true)
+  _$$TransferOutEntryImplCopyWith<_$TransferOutEntryImpl> get copyWith =>
+      throw _privateConstructorUsedError;
+}
diff --git a/lib/src/data_transfer_objects/wallet/transaction_entry/transfer_out_entry.g.dart b/lib/src/data_transfer_objects/wallet/transaction_entry/transfer_out_entry.g.dart
new file mode 100644
index 0000000..b4c87a7
--- /dev/null
+++ b/lib/src/data_transfer_objects/wallet/transaction_entry/transfer_out_entry.g.dart
@@ -0,0 +1,27 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+// ignore_for_file: package_api_docs, non_constant_identifier_names
+
+part of 'transfer_out_entry.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+_$TransferOutEntryImpl _$$TransferOutEntryImplFromJson(
+        Map<String, dynamic> json) =>
+    _$TransferOutEntryImpl(
+      destination: json['destination'] as String,
+      amount: json['amount'] as int,
+      asset: json['asset'] as String,
+      extraData: json['extra_data'],
+    );
+
+Map<String, dynamic> _$$TransferOutEntryImplToJson(
+        _$TransferOutEntryImpl instance) =>
+    <String, dynamic>{
+      'destination': instance.destination,
+      'amount': instance.amount,
+      'asset': instance.asset,
+      'extra_data': instance.extraData,
+    };
diff --git a/pubspec.yaml b/pubspec.yaml
index a76bf84..333cfa8 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: xelis_dart_sdk
 description: Software Development Kit in Dart to build Apps for the Xelis Blockchain.
-version: 0.16.1
+version: 0.16.2
 repository: https://github.com/xelis-project/xelis-dart-jdk
 
 environment:
@@ -17,7 +17,7 @@ dependencies:
   web_socket_client: ^0.1.1
 
 dev_dependencies:
-  build_runner: ^2.4.8
+  build_runner: ^2.4.9
   freezed: ^2.4.7
   json_serializable: ^6.7.1
   lints: ^3.0.0