diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2b24b05..9b932f7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+## 2.0.1
+   - dart format .
+
 ## 2.0.0
 - Implements classes for signing and verifying transaction digests.
    - Bitcoin (ECDSA, Schnorr)
diff --git a/example/test/test_test.dart b/example/test/test_test.dart
index 5eaed29..bab7e74 100644
--- a/example/test/test_test.dart
+++ b/example/test/test_test.dart
@@ -218,4 +218,3 @@ void _encodeDecodeAddrTest() {
   _test("algo Address", algoAddressTest);
   _test("ada Shelly Address", adaShellyAddrTest);
 }
-
diff --git a/lib/bip/coin_conf/coins_conf.dart b/lib/bip/coin_conf/coins_conf.dart
index 175c150..3a56322 100644
--- a/lib/bip/coin_conf/coins_conf.dart
+++ b/lib/bip/coin_conf/coins_conf.dart
@@ -580,14 +580,14 @@ class CoinsConf {
   /// Configuration for Ripple
   static const CoinConf ripple = CoinConf(
       coinName: CoinNames("Ripple", "XRP"),
-      params: CoinParams(
-          p2pkhNetVer: btcP2PKHNetVerMn, addrNetVer: [0x05, 0x44]));
+      params:
+          CoinParams(p2pkhNetVer: btcP2PKHNetVerMn, addrNetVer: [0x05, 0x44]));
 
   /// Configuration for RippleTestNet
   static const CoinConf rippleTestNet = CoinConf(
       coinName: CoinNames("Ripple", "XRP"),
-      params: CoinParams(
-          p2pkhNetVer: btcP2PKHNetVerMn, addrNetVer: [0x04, 0x93]));
+      params:
+          CoinParams(p2pkhNetVer: btcP2PKHNetVerMn, addrNetVer: [0x04, 0x93]));
 
   /// Configuration for Secret Network
   static const CoinConf secretNetwork = CoinConf(
diff --git a/lib/exception/exceptions.dart b/lib/exception/exceptions.dart
index f8c1335..0577254 100644
--- a/lib/exception/exceptions.dart
+++ b/lib/exception/exceptions.dart
@@ -1,2 +1,2 @@
 export 'exception.dart';
-export 'rpc_error.dart';
\ No newline at end of file
+export 'rpc_error.dart';
diff --git a/lib/tuple/tuple.dart b/lib/tuple/tuple.dart
index 25ae9b1..a859947 100644
--- a/lib/tuple/tuple.dart
+++ b/lib/tuple/tuple.dart
@@ -8,5 +8,5 @@ class Tuple<T, R> {
   final R item2;
 
   /// Constructor to initialize the tuple with the provided values.
- const Tuple(this.item1, this.item2);
+  const Tuple(this.item1, this.item2);
 }
diff --git a/pubspec.yaml b/pubspec.yaml
index c83c762..1290c89 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: blockchain_utils
 description: Comprehensive Crypto & Blockchain Toolkit, Pure Dart, Cross-Platform, Encoding, Cryptography, Addresses, Mnemonics, & More.
-version: 2.0.0
+version: 2.0.1
 homepage: "https://github.com/mrtnetwork/blockchain_utils"
 repository: "https://github.com/mrtnetwork/blockchain_utils"
 Author: mrhaydari.t@gmail.com