diff --git a/lib/globals.dart b/lib/globals.dart
index 5571b50a5feb42b10e8e73cd42c155bff3a8270e..5ff7013091a6083f5c5a82e684964c8d5a133796 100644
--- a/lib/globals.dart
+++ b/lib/globals.dart
@@ -41,3 +41,7 @@ Color backgroundColor = const Color(0xFFF5F5F5);
 
 // Substrate settings
 const int ss58 = 42;
+String currencyName = 'Äždev';
+
+// Debug
+const debugPin = true;
diff --git a/lib/providers/generate_wallets.dart b/lib/providers/generate_wallets.dart
index cc1f6701a49f874a65a1ef9d454ef2a50307b556..dd3b4bc3a151263b53cf3b1296a06d1645249e5c 100644
--- a/lib/providers/generate_wallets.dart
+++ b/lib/providers/generate_wallets.dart
@@ -86,7 +86,7 @@ class GenerateWalletsProvider with ChangeNotifier {
         address: address,
         number: 0,
         name: _name,
-        derivation: 3,
+        derivation: 2,
         imageName: '0.png');
     await walletBox.add(myWallet);
 
@@ -297,9 +297,9 @@ class GenerateWalletsProvider with ChangeNotifier {
   }
 
   Future<List<String>> generateWordList(BuildContext context) async {
-    SubstrateSdk _sdk = Provider.of<SubstrateSdk>(context, listen: false);
+    SubstrateSdk _sub = Provider.of<SubstrateSdk>(context, listen: false);
 
-    generatedMnemonic = await _sdk.generateMnemonic(lang: appLang);
+    generatedMnemonic = await _sub.generateMnemonic(lang: appLang);
     List<String> _wordsList = [];
     String word;
     int _nbr = 1;
diff --git a/lib/providers/home.dart b/lib/providers/home.dart
index b10ef851bb229e6f1f89994acc98a4555cecb0af..2f592214de59966573536b8c8ba14d5cb3fdbc8e 100644
--- a/lib/providers/home.dart
+++ b/lib/providers/home.dart
@@ -7,7 +7,6 @@ import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'dart:async';
 import 'package:gecko/globals.dart';
-import 'package:gecko/providers/substrate_sdk.dart';
 import 'package:hive_flutter/hive_flutter.dart';
 import 'package:flutter/foundation.dart' show kIsWeb;
 import 'package:path_provider/path_provider.dart' as pp;
@@ -140,22 +139,6 @@ class HomeProvider with ChangeNotifier {
     notifyListeners();
   }
 
-  void snackNode(context) {
-    if (isFirstBuild) {
-      String _message;
-      if (endPointGVA == 'HS') {
-        _message =
-            "Aucun noeud Duniter disponible, veuillez réessayer ultérieurement";
-      } else {
-        _message = "Vous êtes connecté au noeud\n${SubstrateSdk().subNode}";
-      }
-      final snackBar = SnackBar(
-          content: Text(_message), duration: const Duration(seconds: 2));
-      isFirstBuild = false;
-      ScaffoldMessenger.of(context).showSnackBar(snackBar);
-    }
-  }
-
   void rebuildWidget() {
     notifyListeners();
   }
diff --git a/lib/providers/my_wallets.dart b/lib/providers/my_wallets.dart
index cde7fca599ba896f0b4383ac15ea2aa32e460f41..953b4461d6605a18c535680250b954602054c2a0 100644
--- a/lib/providers/my_wallets.dart
+++ b/lib/providers/my_wallets.dart
@@ -23,6 +23,12 @@ class MyWalletsProvider with ChangeNotifier {
   }
 
   bool checkIfWalletExist() {
+    // configBox.delete('endpoint');
+    if (!configBox.containsKey('endpoint') || configBox.get('endpoint') == '') {
+      log.d('No endpoint, configure...');
+      configBox.put('endpoint', 'ws://192.168.1.72:9944');
+    }
+
     if (chestBox.isEmpty) {
       log.i('No wallets detected');
       return false;
@@ -68,6 +74,7 @@ class MyWalletsProvider with ChangeNotifier {
   }
 
   Future<int> deleteAllWallet(context) async {
+    SubstrateSdk _sub = Provider.of<SubstrateSdk>(context, listen: false);
     try {
       log.w('DELETE ALL WALLETS ?');
 
@@ -76,9 +83,7 @@ class MyWalletsProvider with ChangeNotifier {
         await walletBox.clear();
         await chestBox.clear();
         await configBox.delete('defaultWallet');
-        // await Future.delayed(const Duration(milliseconds: 50));
-        // notifyListeners();
-
+        await _sub.deleteAllAccounts();
         await Navigator.of(context).pushNamedAndRemoveUntil(
           '/',
           ModalRoute.withName('/'),
@@ -96,23 +101,42 @@ class MyWalletsProvider with ChangeNotifier {
       barrierDismissible: true, // user must tap button!
       builder: (BuildContext context) {
         return AlertDialog(
-          title: const Text(
-              'Êtes-vous sûr de vouloir supprimer tous vos trousseaux ?'),
-          content: const SingleChildScrollView(child: Text('')),
+          backgroundColor: backgroundColor,
+          content: const Text(
+            'Êtes-vous sûr de vouloir oublier tous vos coffres ?',
+            textAlign: TextAlign.center,
+            style: TextStyle(fontSize: 18, fontWeight: FontWeight.w500),
+          ),
           actions: <Widget>[
-            TextButton(
-              child: const Text("Non"),
-              onPressed: () {
-                Navigator.pop(context, false);
-              },
-            ),
-            TextButton(
-              key: const Key('confirmDeletingAllWallets'),
-              child: const Text("Oui"),
-              onPressed: () {
-                Navigator.pop(context, true);
-              },
-            ),
+            Row(
+              mainAxisAlignment: MainAxisAlignment.center,
+              children: [
+                TextButton(
+                  key: const Key('confirmDeletingAllWallets'),
+                  child: const Text(
+                    "Oui",
+                    style: TextStyle(
+                      fontSize: 20,
+                      color: Color(0xffD80000),
+                    ),
+                  ),
+                  onPressed: () {
+                    Navigator.pop(context, true);
+                  },
+                ),
+                const SizedBox(width: 20),
+                TextButton(
+                  child: const Text(
+                    "Non",
+                    style: TextStyle(fontSize: 20),
+                  ),
+                  onPressed: () {
+                    Navigator.pop(context, false);
+                  },
+                ),
+                const SizedBox(height: 120)
+              ],
+            )
           ],
         );
       },
@@ -136,12 +160,12 @@ class MyWalletsProvider with ChangeNotifier {
     MyWalletsProvider myWalletProvider =
         Provider.of<MyWalletsProvider>(context, listen: false);
 
-    SubstrateSdk _sdk = Provider.of<SubstrateSdk>(context, listen: false);
+    SubstrateSdk _sub = Provider.of<SubstrateSdk>(context, listen: false);
 
     final int? _currentChestNumber = myWalletProvider.getCurrentChest();
     final ChestData _currentChest = chestBox.get(_currentChestNumber)!;
 
-    final address = await _sdk.derive(
+    final address = await _sub.derive(
         context, _currentChest.address!, _newDerivationNbr, pinCode);
 
     WalletData newWallet = WalletData(
diff --git a/lib/providers/substrate_sdk.dart b/lib/providers/substrate_sdk.dart
index 6f65f5836237ae7baa62add0000e2e3143c5b490..902bf626634dd58d61e7ee3c77fb8219cd2085a1 100644
--- a/lib/providers/substrate_sdk.dart
+++ b/lib/providers/substrate_sdk.dart
@@ -14,8 +14,6 @@ import 'package:polkawallet_sdk/storage/types/keyPairData.dart';
 import 'package:truncate/truncate.dart';
 
 class SubstrateSdk with ChangeNotifier {
-  final List subNode = ['192.168.1.72:9944'];
-  final bool isSsl = false;
   final int ss58 = 42;
 
   final WalletSDK sdk = WalletSDK();
@@ -26,6 +24,7 @@ class SubstrateSdk with ChangeNotifier {
   bool nodeConnected = false;
   bool importIsLoading = false;
   int blocNumber = 0;
+  bool isLoadingEndpoint = false;
 
   TextEditingController jsonKeystore = TextEditingController();
   TextEditingController keystorePassword = TextEditingController();
@@ -41,30 +40,45 @@ class SubstrateSdk with ChangeNotifier {
     notifyListeners();
   }
 
-  Future<void> connectNode() async {
-    final String socketKind = isSsl ? 'wss' : 'ws';
+  Future<void> connectNode(BuildContext ctx) async {
     List<NetworkParams> node = [];
-    for (final sn in subNode) {
-      final n = NetworkParams();
-      n.name = 'duniter';
-      n.endpoint = '$socketKind://$sn';
-      n.ss58 = ss58;
-      node.add(n);
+    final n = NetworkParams();
+    n.name = currencyName;
+    n.endpoint = configBox.get('endpoint');
+    n.ss58 = ss58;
+    node.add(n);
+
+    if (sdk.api.connectedNode?.endpoint != null) {
+      await sdk.api.setting.unsubscribeBestNumber();
     }
+
+    isLoadingEndpoint = true;
+    notifyListeners();
     final res = await sdk.api.connectNode(keyring, node).timeout(
-          const Duration(seconds: 10),
+          const Duration(seconds: 7),
           onTimeout: () => null,
         );
+    isLoadingEndpoint = false;
+    notifyListeners();
     if (res != null) {
       nodeConnected = true;
       notifyListeners();
+      snackNode(ctx, true);
+    } else {
+      nodeConnected = false;
+      notifyListeners();
+      snackNode(ctx, false);
     }
 
     // Subscribe bloc number
-    sdk.api.setting.subscribeBestNumber((res) {
-      blocNumber = int.parse(res.toString());
-      notifyListeners();
-    });
+    if (nodeConnected) {
+      sdk.api.setting.subscribeBestNumber((res) {
+        blocNumber = int.parse(res.toString());
+        notifyListeners();
+      });
+    }
+
+    log.d(sdk.api.connectedNode?.endpoint);
   }
 
   Future<String> importAccount(
@@ -177,7 +191,7 @@ class SubstrateSdk with ChangeNotifier {
 
   int getDerivationNumber(String address) {
     final account = getKeypair(address);
-    final deriveNbr = account.name!.split('/')[1];
+    final deriveNbr = account.name!.split('//')[1];
     return int.parse(deriveNbr);
   }
 
@@ -290,11 +304,11 @@ class SubstrateSdk with ChangeNotifier {
     print(seedMap);
 
     if (seedMap?['type'] != 'mnemonic') return '';
-    final List seedList = seedMap!['seed'].split('/');
+    final List seedList = seedMap!['seed'].split('//');
     generatedMnemonic = seedList[0];
     int sourceDerivation = -1; // To get derivation number of this account
     if (seedList.length > 1) {
-      sourceDerivation = int.parse(seedMap['seed'].split('/')[1]);
+      sourceDerivation = int.parse(seedList[1]);
     }
     print(generatedMnemonic);
     print(sourceDerivation);
@@ -316,6 +330,20 @@ class AddressInfo {
   AddressInfo({@required this.address, this.balance = 0});
 }
 
+void snackNode(BuildContext context, bool isConnected) {
+  String _message;
+  if (!isConnected) {
+    _message =
+        "Aucun noeud Duniter disponible, veuillez réessayer ultérieurement";
+  } else {
+    _message =
+        "Vous êtes connecté au noeud\n${configBox.get('endpoint').split('//')[1]}";
+  }
+  final snackBar =
+      SnackBar(content: Text(_message), duration: const Duration(seconds: 2));
+  ScaffoldMessenger.of(context).showSnackBar(snackBar);
+}
+
 String getShortPubkey(String pubkey) {
   List<int> pubkeyByte = Base58Decode(pubkey);
   Digest pubkeyS256 = sha256.convert(sha256.convert(pubkeyByte).bytes);
diff --git a/lib/providers/wallet_options.dart b/lib/providers/wallet_options.dart
index 1b431135ff3b9ec0339748529196494b5578b2e6..d2e918fa6fff43a3c7c165432a6a95fc5a2b342d 100644
--- a/lib/providers/wallet_options.dart
+++ b/lib/providers/wallet_options.dart
@@ -79,12 +79,13 @@ class WalletOptionsProvider with ChangeNotifier {
     final bool? _answer = await (_confirmDeletingWallet(context, wallet.name));
 
     if (_answer!) {
-      walletBox.delete(wallet.key);
+      await walletBox.delete(wallet.key);
 
-      Navigator.popUntil(
-        context,
-        ModalRoute.withName('/mywallets'),
-      );
+      // Navigator.popUntil(
+      //   context,
+      //   ModalRoute.withName('/mywallets'),
+      // );
+      Navigator.pop(context);
     }
     return 0;
   }
diff --git a/lib/screens/history.dart b/lib/screens/history.dart
index b5d12908b60287188f564deea6af083d49b85bd6..2b0b878af750c4ad7b54709a64549cb91dc870cd 100644
--- a/lib/screens/history.dart
+++ b/lib/screens/history.dart
@@ -346,7 +346,7 @@ class HistoryScreen extends StatelessWidget with ChangeNotifier {
                       ],
                     ),
                   ),
-                  trailing: Text("${repository[4]} Äž1",
+                  trailing: Text("${repository[4]} $currencyName",
                       style: const TextStyle(
                           fontSize: 18, fontWeight: FontWeight.w500),
                       textAlign: TextAlign.justify),
@@ -466,7 +466,7 @@ class HistoryScreen extends StatelessWidget with ChangeNotifier {
                           return const Text('...');
                         }
                         return Text(
-                          "${_balance.data.toString()} Äž1",
+                          "${_balance.data.toString()} $currencyName",
                           textAlign: TextAlign.center,
                           style: const TextStyle(
                               fontSize: 22, fontWeight: FontWeight.w500),
diff --git a/lib/screens/home.dart b/lib/screens/home.dart
index eedf9b0ccdc0f81be9ace675a985e931acfbd450..4729c35cf88cff9c584b9c5594609951066e4978 100644
--- a/lib/screens/home.dart
+++ b/lib/screens/home.dart
@@ -5,7 +5,6 @@ import 'package:gecko/providers/chest_provider.dart';
 import 'package:gecko/providers/substrate_sdk.dart';
 import 'package:gecko/providers/wallets_profiles.dart';
 import 'package:flutter/material.dart';
-import 'package:gecko/providers/home.dart';
 import 'package:gecko/providers/my_wallets.dart';
 import 'package:gecko/models/wallet_data.dart';
 import 'package:gecko/screens/myWallets/restore_chest.dart';
@@ -27,11 +26,12 @@ class HomeScreen extends StatelessWidget {
     MyWalletsProvider _myWalletProvider =
         Provider.of<MyWalletsProvider>(context);
     Provider.of<ChestProvider>(context);
-    HomeProvider homeClass = HomeProvider();
     SubstrateSdk _sub = Provider.of<SubstrateSdk>(context, listen: false);
 
     final bool isWalletsExists = _myWalletProvider.checkIfWalletExist();
 
+
+
     isTall = false;
     ratio = 1;
     if (MediaQuery.of(context).size.height >= 930) {
@@ -103,9 +103,8 @@ class HomeScreen extends StatelessWidget {
               WidgetsBinding.instance.addPostFrameCallback((_) async {
                 if (!_sub.sdkReady && !_sub.sdkLoading) await _sub.initApi();
                 if (_sub.sdkReady && !_sub.nodeConnected) {
-                  await _sub.connectNode(); //kopa
+                  await _sub.connectNode(ctx); //kopa
                 }
-                if (isWalletsExists) homeClass.snackNode(ctx);
               });
             },
             child: isWalletsExists ? geckHome(context) : welcomeHome(context)
@@ -405,31 +404,30 @@ Widget welcomeHome(context) {
       ]),
       Padding(
         padding: EdgeInsets.only(top: 1 * ratio),
-        child: Row(
-            mainAxisAlignment: MainAxisAlignment.center,
-            children: const <Widget>[
-              Text(
-                "L’application de paiement Ğ1\nplus rapide qu’un reptile du Vietnam",
-                textAlign: TextAlign.center,
-                style: TextStyle(
-                  color: Colors.white,
-                  fontSize: 24,
-                  fontWeight: FontWeight.w700,
-                  shadows: <Shadow>[
-                    Shadow(
-                      offset: Offset(0, 0),
-                      blurRadius: 20,
-                      color: Colors.black,
-                    ),
-                    Shadow(
-                      offset: Offset(0, 0),
-                      blurRadius: 20,
-                      color: Colors.black,
-                    ),
-                  ],
+        child:
+            Row(mainAxisAlignment: MainAxisAlignment.center, children: <Widget>[
+          Text(
+            "L’application de paiement $currencyName\nplus rapide qu’un reptile du Vietnam",
+            textAlign: TextAlign.center,
+            style: const TextStyle(
+              color: Colors.white,
+              fontSize: 24,
+              fontWeight: FontWeight.w700,
+              shadows: <Shadow>[
+                Shadow(
+                  offset: Offset(0, 0),
+                  blurRadius: 20,
+                  color: Colors.black,
                 ),
-              )
-            ]),
+                Shadow(
+                  offset: Offset(0, 0),
+                  blurRadius: 20,
+                  color: Colors.black,
+                ),
+              ],
+            ),
+          )
+        ]),
       ),
       Expanded(
         flex: 1,
diff --git a/lib/screens/myWallets/change_pin.dart b/lib/screens/myWallets/change_pin.dart
index 88c254e3a1827a5792f302cba5fc7895ee7df6b9..e2bc2a6d1a8bd0e475c31e4c1d51d2a369025e56 100644
--- a/lib/screens/myWallets/change_pin.dart
+++ b/lib/screens/myWallets/change_pin.dart
@@ -25,7 +25,7 @@ class ChangePinScreen extends StatelessWidget with ChangeNotifier {
   @override
   Widget build(BuildContext context) {
     SystemChrome.setPreferredOrientations([DeviceOrientation.portraitUp]);
-    SubstrateSdk _sdk = Provider.of<SubstrateSdk>(context, listen: false);
+    SubstrateSdk _sub = Provider.of<SubstrateSdk>(context, listen: false);
 
     return WillPopScope(
       onWillPop: () {
@@ -100,7 +100,8 @@ class ChangePinScreen extends StatelessWidget with ChangeNotifier {
                   ),
                   onPressed: () async {
                     final _chest = chestBox.get(configBox.get('currentChest'));
-                    _sdk.changePassword(_chest!.address!, walletProvider.pinCode, newPin.text);
+                    _sub.changePassword(
+                        _chest!.address!, walletProvider.pinCode, newPin.text);
                     newPin.text = '';
                     walletProvider.pinCode = newPin.text;
                   },
diff --git a/lib/screens/myWallets/choose_wallet.dart b/lib/screens/myWallets/choose_wallet.dart
index ba80d240b7796c8e4beb263a64ea1155c9174a34..0c550ff71596e8fa321cc379b03bb884e176e944 100644
--- a/lib/screens/myWallets/choose_wallet.dart
+++ b/lib/screens/myWallets/choose_wallet.dart
@@ -22,7 +22,7 @@ class ChooseWalletScreen extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     SystemChrome.setPreferredOrientations([DeviceOrientation.portraitUp]);
-    SubstrateSdk _sdk = Provider.of<SubstrateSdk>(context, listen: false);
+    SubstrateSdk _sub = Provider.of<SubstrateSdk>(context, listen: false);
     WalletsProfilesProvider _walletViewProvider =
         Provider.of<WalletsProfilesProvider>(context, listen: false);
     // HomeProvider _homeProvider = Provider.of<HomeProvider>(context);
@@ -50,10 +50,10 @@ class ChooseWalletScreen extends StatelessWidget {
                       onPrimary: Colors.white, // foreground
                     ),
                     onPressed: () async {
-                      final acc = _sdk.getCurrentWallet();
+                      final acc = _sub.getCurrentWallet();
                       log.d(
                           "fromAddress: ${acc.address!},destAddress: ${_walletViewProvider.outputPubkey.text}, amount: ${double.parse(_walletViewProvider.payAmount.text)},  password: $pin");
-                      final resultPay = await _sdk.pay(context,
+                      final resultPay = await _sub.pay(context,
                           fromAddress: acc.address!,
                           destAddress: _walletViewProvider.outputPubkey.text,
                           amount:
@@ -79,13 +79,14 @@ class ChooseWalletScreen extends StatelessWidget {
     MyWalletsProvider _myWalletProvider =
         Provider.of<MyWalletsProvider>(context);
     final bool isWalletsExists = _myWalletProvider.checkIfWalletExist();
-    SubstrateSdk _sdk = Provider.of<SubstrateSdk>(context, listen: false);
+    SubstrateSdk _sub = Provider.of<SubstrateSdk>(context, listen: false);
 
     WalletData? defaultWallet =
         _myWalletProvider.getDefaultWallet(currentChest);
+
     _selectedId ??= defaultWallet!.id();
     _derivation ??= defaultWallet!.derivation!;
-
+    _sub.setCurrentWallet(defaultWallet!.address!);
     _myWalletProvider.readAllWallets(currentChest);
 
     if (!isWalletsExists) {
@@ -128,7 +129,7 @@ class ChooseWalletScreen extends StatelessWidget {
                     onTap: () {
                       _derivation = _repository.derivation!;
                       _selectedId = _repository.id();
-                      _sdk.setCurrentWallet(_repository.address!);
+                      _sub.setCurrentWallet(_repository.address!);
                       _myWalletProvider.rebuildWidget();
                     },
                     child: ClipOvalShadow(
@@ -195,7 +196,7 @@ class ChooseWalletScreen extends StatelessWidget {
                             onTap: () {
                               _derivation = _repository.derivation!;
                               _selectedId = _repository.id();
-                              _sdk.setCurrentWallet(_repository.address!);
+                              _sub.setCurrentWallet(_repository.address!);
                               _myWalletProvider.rebuildWidget();
                             },
                           )
@@ -209,13 +210,15 @@ class ChooseWalletScreen extends StatelessWidget {
 }
 
 Future<bool?> paymentsResult(context, String resultPay) {
-  if (resultPay != "success") log.e(resultPay);
+  final bool isValid = resultPay == "confirmed";
+  if (!isValid) log.e(resultPay);
+
   return showDialog<bool>(
     context: context,
     barrierDismissible: true, // user must tap button!
     builder: (BuildContext context) {
       return AlertDialog(
-        title: Text(resultPay == "confirmed"
+        title: Text(isValid
             ? 'Paiement effecuté avec succès !'
             : "Une erreur s'est produite lors du paiement:\n$resultPay"),
         content: const SingleChildScrollView(child: Text('')),
@@ -223,7 +226,7 @@ Future<bool?> paymentsResult(context, String resultPay) {
           TextButton(
             child: const Text("OK"),
             onPressed: () async {
-              resultPay == "confirmed"
+              isValid
                   ? await Navigator.of(context).pushNamedAndRemoveUntil(
                       '/',
                       ModalRoute.withName('/'),
diff --git a/lib/screens/myWallets/confirm_wallet_storage.dart b/lib/screens/myWallets/confirm_wallet_storage.dart
index 4079d1dd438ce17be0a67b96175f1e23c120e308..cfd292b68c4f1d871ca1af58e8b2c4f33ec38d95 100644
--- a/lib/screens/myWallets/confirm_wallet_storage.dart
+++ b/lib/screens/myWallets/confirm_wallet_storage.dart
@@ -33,7 +33,7 @@ class ConfirmStoreWallet extends StatelessWidget with ChangeNotifier {
     MyWalletsProvider _myWalletProvider =
         Provider.of<MyWalletsProvider>(context);
     final int? _currentChest = _myWalletProvider.getCurrentChest();
-    SubstrateSdk _sdk = Provider.of<SubstrateSdk>(context, listen: false);
+    SubstrateSdk _sub = Provider.of<SubstrateSdk>(context, listen: false);
 
     _mnemonicController.text = generatedMnemonic!;
     return WillPopScope(
@@ -136,13 +136,13 @@ class ConfirmStoreWallet extends StatelessWidget with ChangeNotifier {
                                         .isAskedWordValid &&
                                     walletName.text != '')
                                 ? () async {
-                                    final address = await _sdk.importAccount(
+                                    final address = await _sub.importAccount(
                                         fromMnemonic: true,
                                         mnemonic: _generateWalletProvider
                                             .generatedMnemonic!,
                                         password:
                                             _generateWalletProvider.pin.text,
-                                        derivePath: '/3');
+                                        derivePath: '//2');
                                     await _generateWalletProvider.storeHDWChest(
                                         address,
                                         'Mon portefeuille courant',
diff --git a/lib/screens/myWallets/generate_wallets.dart b/lib/screens/myWallets/generate_wallets.dart
index b0f497620a9a850a8dac070abdca0c45ca1833bc..bdea975e2a5a827c9852be030cf2214db4ae9cfb 100644
--- a/lib/screens/myWallets/generate_wallets.dart
+++ b/lib/screens/myWallets/generate_wallets.dart
@@ -1,4 +1,5 @@
 import 'package:durt/durt.dart';
+import 'package:flutter/foundation.dart';
 import 'package:flutter/services.dart';
 import 'package:gecko/globals.dart';
 import 'package:gecko/providers/generate_wallets.dart';
@@ -25,7 +26,9 @@ class GenerateFastChestScreen extends StatelessWidget {
     GenerateWalletsProvider _generateWalletProvider =
         Provider.of<GenerateWalletsProvider>(context, listen: false);
 
-    _generateWalletProvider.changePinCode(reload: false);
+    _generateWalletProvider.pin.text = kDebugMode && debugPin
+        ? 'AAAAA'
+        : _generateWalletProvider.changePinCode(reload: false);
 
     return WillPopScope(
       onWillPop: () {
diff --git a/lib/screens/myWallets/unlocking_wallet.dart b/lib/screens/myWallets/unlocking_wallet.dart
index 14355a3fce078d6c94535b9943e629940b2272b1..83346fa2dc3e0e6a633cb0514d5235e5afea0e48 100644
--- a/lib/screens/myWallets/unlocking_wallet.dart
+++ b/lib/screens/myWallets/unlocking_wallet.dart
@@ -145,7 +145,7 @@ class UnlockingWallet extends StatelessWidget {
     MyWalletsProvider _myWalletProvider =
         Provider.of<MyWalletsProvider>(context);
 
-    SubstrateSdk _sdk = Provider.of<SubstrateSdk>(context, listen: false);
+    SubstrateSdk _sub = Provider.of<SubstrateSdk>(context, listen: false);
 
     FocusNode pinFocus = FocusNode();
 
@@ -200,7 +200,7 @@ class UnlockingWallet extends StatelessWidget {
               log.d("Completed");
               _myWalletProvider.pinCode = _pin.toUpperCase();
 
-              final isValid = await _sdk.checkPassword(
+              final isValid = await _sub.checkPassword(
                   currentChest.address!, _pin.toUpperCase());
 
               if (!isValid) {
@@ -227,7 +227,7 @@ class UnlockingWallet extends StatelessWidget {
                           MaterialPageRoute(builder: (context) {
                             return const WalletsHome();
                           }),
-                        ).then((value) => _myWalletProvider.cesiumSeed.clear());
+                        );
                 } else if (action == "pay") {
                   Navigator.push(
                     context,
diff --git a/lib/screens/myWallets/wallet_options.dart b/lib/screens/myWallets/wallet_options.dart
index 5462ce58ce95ff595b85ad35a124b21ea4e54cc4..a9b1d77a8ef6b9f80388c9af2d5f871935137903 100644
--- a/lib/screens/myWallets/wallet_options.dart
+++ b/lib/screens/myWallets/wallet_options.dart
@@ -32,11 +32,9 @@ class WalletOptions extends StatelessWidget {
 
     final int _currentChest = _myWalletProvider.getCurrentChest()!;
 
-    //TODO: Debug multichest
-
     // final currentWallet = _myWalletProvider.getDefaultWallet(_currentChest);
     // log.d(_walletOptions.getAddress(_currentChest, 3));
-    // log.d("Wallet options: $_currentChest:${wallet.number}");
+    log.d("Wallet options: $_currentChest:${wallet.derivation}");
 
     return WillPopScope(
       onWillPop: () {
@@ -240,13 +238,13 @@ class WalletOptions extends StatelessWidget {
                       fontSize: isTall ? 20 : 18,
                     ));
               }
-              balanceCache = "${_balance.data.toString()} Äž1";
+              balanceCache = "${_balance.data.toString()} $currencyName";
               return ImageFiltered(
                 imageFilter: ImageFilter.blur(
                     sigmaX: walletProvider.isBalanceBlur ? 6 : 0,
                     sigmaY: walletProvider.isBalanceBlur ? 5 : 0),
                 child: Text(
-                  _balance.data.toString() + ' Äž1',
+                  balanceCache,
                   style: TextStyle(
                     fontSize: isTall ? 20 : 18,
                   ),
diff --git a/lib/screens/onBoarding/11.dart b/lib/screens/onBoarding/11.dart
index 0c8822240932e34768da30ffccc4a72ef3b3c72d..5212863d4f58b06ae2696de977e34786bec519f4 100644
--- a/lib/screens/onBoarding/11.dart
+++ b/lib/screens/onBoarding/11.dart
@@ -1,4 +1,5 @@
 // ignore_for_file: file_names
+import 'package:flutter/foundation.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter/material.dart';
 import 'package:gecko/globals.dart';
@@ -21,8 +22,10 @@ class OnboardingStepThirteen extends StatelessWidget {
     // MyWalletsProvider myWalletProvider =
     //     Provider.of<MyWalletsProvider>(context);
     CommonElements common = CommonElements();
-    _generateWalletProvider.pin.text =
-        _generateWalletProvider.changePinCode(reload: false);
+
+    _generateWalletProvider.pin.text = kDebugMode && debugPin
+        ? 'AAAAA'
+        : _generateWalletProvider.changePinCode(reload: false);
 
     return Scaffold(
         extendBodyBehindAppBar: true,
diff --git a/lib/screens/onBoarding/12.dart b/lib/screens/onBoarding/12.dart
index 7fb4ffaa8856e7dea794606945f489071506064e..3e10c496a2d367520e88c17d0dfa0eeae16761c1 100644
--- a/lib/screens/onBoarding/12.dart
+++ b/lib/screens/onBoarding/12.dart
@@ -45,7 +45,7 @@ class OnboardingStepFourteen extends StatelessWidget {
               textKey: const Key('step12'),
             ),
             SizedBox(height: isTall ? 80 : 10),
-            pinForm(context, _walletOptions, _pinLenght, 1, 3)
+            pinForm(context, _walletOptions, _pinLenght, 1, 2)
           ]),
         ));
   }
@@ -61,7 +61,7 @@ class OnboardingStepFourteen extends StatelessWidget {
         Provider.of<MyWalletsProvider>(context);
     GenerateWalletsProvider _generateWalletProvider =
         Provider.of<GenerateWalletsProvider>(context);
-    SubstrateSdk _sdk = Provider.of<SubstrateSdk>(context, listen: false);
+    SubstrateSdk _sub = Provider.of<SubstrateSdk>(context, listen: false);
 
     final int? _currentChest = _myWalletProvider.getCurrentChest();
 
@@ -118,10 +118,10 @@ class OnboardingStepFourteen extends StatelessWidget {
               log.d(_pin + ' || ' + _generateWalletProvider.pin.text);
               if (_pin.toUpperCase() == _generateWalletProvider.pin.text) {
                 pinColor = Colors.green[500];
-                final address = await _sdk.importAccount(
+                final address = await _sub.importAccount(
                     fromMnemonic: true,
                     mnemonic: _generateWalletProvider.generatedMnemonic!,
-                    derivePath: '/3',
+                    derivePath: '//2',
                     password: _generateWalletProvider.pin.text);
                 await _generateWalletProvider.storeHDWChest(
                     address, 'Mon portefeuille courant', context);
diff --git a/lib/screens/search_result.dart b/lib/screens/search_result.dart
index 4a52322b279f938c090a744c8184e12bfa95e254..5005a41134a29db007ed739cf99e8250331b06b5 100644
--- a/lib/screens/search_result.dart
+++ b/lib/screens/search_result.dart
@@ -57,9 +57,9 @@ class SearchResultScreen extends StatelessWidget {
               ),
             ),
             const SizedBox(height: 40),
-            const Text(
-              'Dans la blockchain Äž1',
-              style: TextStyle(fontSize: 20),
+            Text(
+              'Dans la blockchain $currencyName',
+              style: const TextStyle(fontSize: 20),
             ),
             const SizedBox(height: 20),
             FutureBuilder(
diff --git a/lib/screens/settings.dart b/lib/screens/settings.dart
index 6d5df23be4b2e61d089ad7a6c66b3641384e2444..34b2c48f177843014b5ff366023e679af0ee9191 100644
--- a/lib/screens/settings.dart
+++ b/lib/screens/settings.dart
@@ -2,11 +2,13 @@ import 'package:flutter/material.dart';
 import 'package:durt/durt.dart';
 import 'package:flutter/services.dart';
 import 'package:gecko/providers/my_wallets.dart';
+import 'package:gecko/providers/substrate_sdk.dart';
 import 'package:gecko/screens/myWallets/generate_wallets.dart';
 import 'dart:io';
 // import 'package:gecko/screens/myWallets/import_cesium_wallet.dart';
 import 'package:gecko/globals.dart';
 import 'package:gecko/screens/myWallets/restore_chest.dart';
+import 'package:provider/provider.dart';
 
 // ignore: must_be_immutable
 class SettingsScreen extends StatelessWidget {
@@ -28,108 +30,123 @@ class SettingsScreen extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     SystemChrome.setPreferredOrientations([DeviceOrientation.portraitUp]);
+    SubstrateSdk _sub = Provider.of<SubstrateSdk>(context, listen: false);
+
+    const double buttonHigh = 50;
+    const double buttonWidth = 240;
+    const double fontSize = 16;
+    TextEditingController _endpointController =
+        TextEditingController(text: configBox.get('endpoint'));
 
     // getAppDirectory();
     return Scaffold(
-        appBar: AppBar(
-            toolbarHeight: 60 * ratio,
-            title: const SizedBox(
-              height: 22,
-              child: Text('Paramètres'),
-            )),
-        body: Column(children: <Widget>[
-          const SizedBox(height: 40),
-          SizedBox(
-            height: 70,
-            width: 500,
-            child: ElevatedButton(
-              style: ElevatedButton.styleFrom(
-                elevation: 5,
-                primary: yellowC, // background
-                onPrimary: Colors.black, // foreground
+      appBar: AppBar(
+          toolbarHeight: 60 * ratio,
+          title: const SizedBox(
+            height: 22,
+            child: Text('Paramètres'),
+          )),
+      body: Column(
+          // crossAxisAlignment: CrossAxisAlignment.start,
+          children: <Widget>[
+            const SizedBox(height: 60),
+            Row(children: [
+              Text(' Noeud $currencyName :'),
+              const SizedBox(width: 20),
+              SizedBox(
+                width: 200,
+                height: 50,
+                child: TextField(
+                  controller: _endpointController,
+                  autocorrect: false,
+                ),
               ),
-              onPressed: null,
-              //  () => Navigator.push(
-              //   context,
-              //   MaterialPageRoute(builder: (context) {
-              //     return const ImportWalletScreen();
-              //   }),
-              // ).then((value) => {
-              //       if (value == true) {Navigator.pop(context)}
-              //     }),
-              child: const Text(
-                "Importer un portefeuille Cesium",
-                style: TextStyle(fontSize: 16),
+              const Spacer(),
+              Consumer<SubstrateSdk>(builder: (context, _sub, _) {
+                return _sub.isLoadingEndpoint
+                    ? CircularProgressIndicator(color: orangeC)
+                    : IconButton(
+                        icon: Icon(
+                          Icons.send,
+                          color: orangeC,
+                          size: 40,
+                        ),
+                        onPressed: () async {
+                          configBox.put('endpoint', _endpointController.text);
+                          await _sub.connectNode(context);
+                        });
+              }),
+              const Spacer(),
+            ]),
+            SizedBox(height: isTall ? 50 : 20),
+            SizedBox(
+              height: buttonHigh,
+              width: buttonWidth,
+              child: ElevatedButton(
+                key: const Key('generateKeychain'),
+                style: ElevatedButton.styleFrom(
+                  elevation: 5,
+                  primary: yellowC, // background
+                  onPrimary: Colors.black, // foreground
+                ),
+                onPressed: () => Navigator.push(
+                  context,
+                  MaterialPageRoute(builder: (context) {
+                    return GenerateFastChestScreen();
+                  }),
+                ),
+                child: const Text(
+                  "Générer un trousseau",
+                  style: TextStyle(fontSize: fontSize),
+                ),
               ),
             ),
-          ),
-          const SizedBox(height: 30),
-          SizedBox(
-            height: 70,
-            width: 500,
-            child: ElevatedButton(
-              key: const Key('generateKeychain'),
-              style: ElevatedButton.styleFrom(
-                elevation: 5,
-                primary: yellowC, // background
-                onPrimary: Colors.black, // foreground
-              ),
-              onPressed: () => Navigator.push(
-                context,
-                MaterialPageRoute(builder: (context) {
-                  return GenerateFastChestScreen();
-                }),
-              ),
-              child: const Text(
-                "Générer un nouveau trousseau",
-                style: TextStyle(fontSize: 16),
+            const SizedBox(height: 20),
+            SizedBox(
+              height: buttonHigh,
+              width: buttonWidth,
+              child: ElevatedButton(
+                key: const Key('generateKeychain'),
+                style: ElevatedButton.styleFrom(
+                  elevation: 5,
+                  primary: yellowC, // background
+                  onPrimary: Colors.black, // foreground
+                ),
+                onPressed: () => Navigator.push(
+                  context,
+                  MaterialPageRoute(builder: (context) {
+                    return const RestoreChest();
+                  }),
+                ),
+                child: const Text(
+                  "Restaurer un coffre",
+                  style: TextStyle(fontSize: fontSize),
+                ),
               ),
             ),
-          ),
-          const SizedBox(height: 30),
-          SizedBox(
-            height: 70,
-            width: 500,
-            child: ElevatedButton(
-              key: const Key('generateKeychain'),
-              style: ElevatedButton.styleFrom(
-                elevation: 5,
-                primary: yellowC, // background
-                onPrimary: Colors.black, // foreground
-              ),
-              onPressed: () => Navigator.push(
-                context,
-                MaterialPageRoute(builder: (context) {
-                  return const RestoreChest();
-                }),
-              ),
-              child: const Text(
-                "Restaurer un coffre",
-                style: TextStyle(fontSize: 16),
+            const SizedBox(height: 25),
+            SizedBox(
+              height: buttonHigh,
+              width: buttonWidth,
+              child: Center(
+                child: InkWell(
+                  key: const Key('deleteChest'),
+                  onTap: () async {
+                    log.i('Oublier tous mes coffres');
+                    await _myWallets.deleteAllWallet(context);
+                  },
+                  child: const Text(
+                    'Oublier tous mes coffres',
+                    style: TextStyle(
+                      fontSize: fontSize + 3,
+                      color: Color(0xffD80000),
+                      fontWeight: FontWeight.w500,
+                    ),
+                  ),
+                ),
               ),
             ),
-          ),
-          Expanded(
-              child: Align(
-                  alignment: Alignment.bottomCenter,
-                  child: SizedBox(
-                      height: 100,
-                      width: 500,
-                      child: ElevatedButton(
-                          key: const Key('deleteAllWallets'),
-                          style: ElevatedButton.styleFrom(
-                            elevation: 5,
-                            primary: Colors.redAccent, // background
-                            onPrimary: Colors.black, // foreground
-                          ),
-                          onPressed: () async => {
-                                log.i('Suppression de tous les wallets'),
-                                await _myWallets.deleteAllWallet(context),
-                                await _sub.deleteAllAccounts()
-                              },
-                          child: const Text("EFFACER TOUS MES PORTEFEUILLES",
-                              style: TextStyle(fontSize: 20)))))),
-          const SizedBox(height: 50),
-        ]));
+          ]),
+    );
   }
 }
diff --git a/lib/screens/substrate_sandbox.dart b/lib/screens/substrate_sandbox.dart
index 64cff88e0477b6591776bdafb347b8a99772bd6b..f0e8f6e4ef7f87921619390c2fe571ffb971e6c9 100644
--- a/lib/screens/substrate_sandbox.dart
+++ b/lib/screens/substrate_sandbox.dart
@@ -33,10 +33,10 @@ class SubstrateSandBox extends StatelessWidget {
                     Text('js-api chargé ?: ${_sub.sdkReady}'),
                     InkWell(
                         onTap: () async {
-                          await _sub.connectNode();
+                          await _sub.connectNode(context);
                         },
                         child: Text(
-                            'Noeud connecté ?: ${_sub.nodeConnected} (${_sub.subNode})')),
+                            'Noeud connecté ?: ${_sub.nodeConnected} (${configBox.get('endpoint')})')),
                     if (_sub.nodeConnected)
                       Text(
                           'Noeud "${_sub.sdk.api.connectedNode!.name}", bloc N°${_sub.blocNumber}'),
@@ -56,46 +56,49 @@ class SubstrateSandBox extends StatelessWidget {
                       ),
                       const SizedBox(width: 10),
                     ]),
-                    // FutureBuilder(
-                    //     future: _sub.getKeyStoreAddress(),
-                    //     builder: (BuildContext context,
-                    //         AsyncSnapshot<List<AddressInfo>> _data) {
-                    //       return Column(children: [
-                    //         if (_data.data != null)
-                    //           for (final AddressInfo addressInfo in _data.data!)
-                    //             Row(children: [
-                    //               InkWell(
-                    //                 onTap: () => _sub.keyring.setCurrent(_sub
-                    //                     .keyring.keyPairs
-                    //                     .firstWhere((element) =>
-                    //                         element.address == addressInfo.address!)),
-                    //                 child: Text(
-                    //                   getShortPubkey(addressInfo.address!),
-                    //                   style: const TextStyle(
-                    //                       fontFamily: 'Monospace'),
-                    //                 ),
-                    //               ),
-                    //               const SizedBox(width: 20),
-                    //               InkWell(
-                    //                 onTap: () async => await _sub.pay(
-                    //                     context,
-                    //                     addressInfo.address!,
-                    //                     10,
-                    //                     _sub.keystorePassword.text),
-                    //                 child: Text("${addressInfo.balance.toString()} ÄŸdev"),
-                    //               ),
-                    //               const SizedBox(width: 20),
-                    //               InkWell(
-                    //                 onTap: () async => await _sub.derive(
-                    //                     context,
-                    //                     addressInfo.address!,
-                    //                     3,
-                    //                     _sub.keystorePassword.text),
-                    //                 child: const Text("Dériver"),
-                    //               )
-                    //             ])
-                    //       ]);
-                    //     }),
+                    FutureBuilder(
+                        future: _sub.getKeyStoreAddress(),
+                        builder: (BuildContext context,
+                            AsyncSnapshot<List<AddressInfo>> _data) {
+                          return Column(children: [
+                            if (_data.data != null)
+                              for (final AddressInfo addressInfo in _data.data!)
+                                Row(children: [
+                                  InkWell(
+                                    onTap: () => _sub.keyring.setCurrent(_sub
+                                        .keyring.keyPairs
+                                        .firstWhere((element) =>
+                                            element.address ==
+                                            addressInfo.address!)),
+                                    child: Text(
+                                      getShortPubkey(addressInfo.address!),
+                                      style: const TextStyle(
+                                          fontFamily: 'Monospace'),
+                                    ),
+                                  ),
+                                  const SizedBox(width: 20),
+                                  // InkWell(
+                                  //   onTap: () async => await _sub.pay(
+                                  //       context,
+                                  //       addressInfo.address!,
+                                  //       10,
+                                  //       _sub.keystorePassword.text),
+                                  //   child:
+                                  Text(
+                                      "${addressInfo.balance.toString()} $currencyName"),
+                                  // ),
+                                  const SizedBox(width: 20),
+                                  InkWell(
+                                    onTap: () async => await _sub.derive(
+                                        context,
+                                        addressInfo.address!,
+                                        2,
+                                        _sub.keystorePassword.text),
+                                    child: const Text("Dériver"),
+                                  )
+                                ])
+                          ]);
+                        }),
                     const SizedBox(height: 20),
                     const Text('Mot de passe du trousseau:'),
                     TextField(
diff --git a/lib/screens/wallet_view.dart b/lib/screens/wallet_view.dart
index 69d9a914e1f84cfc5cbcbed66a62a64cc3047a1b..100dee28ae9b5e2dc17171ef625407a232eb9414 100644
--- a/lib/screens/wallet_view.dart
+++ b/lib/screens/wallet_view.dart
@@ -255,7 +255,7 @@ class WalletViewScreen extends StatelessWidget {
                               // onChanged: (v) => _searchProvider.rebuildWidget(),
                               decoration: InputDecoration(
                                 hintText: '0.00',
-                                suffix: const Text('Äž1'),
+                                suffix: Text(currencyName),
                                 filled: true,
                                 fillColor: Colors.transparent,
                                 // border: OutlineInputBorder(
diff --git a/pubspec.yaml b/pubspec.yaml
index 841abfb7804b9686d56e14591adcdeaf388b6d02..87fb2afb611d23fd2fb264c10939de6fb24c6f33 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -5,7 +5,7 @@ description: Pay with G1.
 # pub.dev using `pub publish`. This is preferred for private packages.
 publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 
-version: 0.0.5+1
+version: 0.0.5+2
 
 environment:
   sdk: '>=2.12.0 <3.0.0'