diff --git a/lib/globals.dart b/lib/globals.dart
index 5110f28..3a1bfa3 100644
--- a/lib/globals.dart
+++ b/lib/globals.dart
@@ -12,7 +12,7 @@ File currentChestFile;
 WalletData defaultWallet;
 String appVersion;
 SharedPreferences prefs;
-String endPointGVA;
+List<String> endPointGVA;
 int ramSys;
 
 // String cesiumPod = "https://g1.data.le-sou.org";
diff --git a/lib/main.dart b/lib/main.dart
index 05d9d3a..e50220d 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -51,13 +51,14 @@ Future<void> main() async {
   //     await HiveStore.open(path: '${appPath.path}/gqlCache');
 
   // Get a valid GVA endpoint
-  endPointGVA = await _homeProvider.getValidEndpoint();
+  //endPointGVA = await _homeProvider.getValidEndpoint();
+  await _homeProvider.scanNetwork();
 
-  if (endPointGVA == 'HS') {
-    _homeProvider.playSound('faché', 0.8);
-  } else {
-    _homeProvider.playSound('start', 0.2);
-  }
+  // if (endPointGVA == 'HS') {
+  //   _homeProvider.playSound('faché', 0.8);
+  // } else {
+  //   _homeProvider.playSound('start', 0.2);
+  // }
 
   if (kReleaseMode && enableSentry) {
     // CatcherOptions debugOptions = CatcherOptions(DialogReportMode(), [
@@ -96,13 +97,13 @@ Future<void> main() async {
 
 class Gecko extends StatelessWidget {
   Gecko(this.randomEndpoint);
-  final String randomEndpoint;
+  final List<String> randomEndpoint;
 
   @override
   Widget build(BuildContext context) {
     SystemChrome.setPreferredOrientations([DeviceOrientation.portraitUp]);
     final _httpLink = HttpLink(
-      randomEndpoint,
+      randomEndpoint[0],
     );
 
     final _client = ValueNotifier(
diff --git a/lib/models/history.dart b/lib/models/history.dart
index ff5dd77..1a91410 100644
--- a/lib/models/history.dart
+++ b/lib/models/history.dart
@@ -62,7 +62,7 @@ class HistoryProvider with ChangeNotifier {
           amount: double.parse(payAmount.text),
           txComment: payComment.text,
           dewif: dewif,
-          gvaEndpoint: endPointGVA,
+          gvaEndpoint: endPointGVA[0],
           secretCode: pinCode,
           recipient: pubkey);
       return "Success";
@@ -234,11 +234,12 @@ class HistoryProvider with ChangeNotifier {
   void snackNode(context) {
     if (isFirstBuild) {
       String _message;
-      if (endPointGVA == 'HS') {
+      if (endPointGVA.isEmpty) {
         _message =
             "Aucun noeud Duniter disponible, veuillez réessayer ultérieurement";
       } else {
-        _message = "Vous êtes connecté au noeud\n${endPointGVA.split('/')[2]}";
+        _message =
+            "Vous êtes connecté au noeud\n${endPointGVA[0].split('/')[2]}";
       }
       final snackBar =
           SnackBar(content: Text(_message), duration: Duration(seconds: 2));
diff --git a/lib/models/home.dart b/lib/models/home.dart
index 63fc715..b69bf5b 100644
--- a/lib/models/home.dart
+++ b/lib/models/home.dart
@@ -41,6 +41,19 @@ class HomeProvider with ChangeNotifier {
     return version + '+' + buildNumber;
   }
 
+  Future<List<String>> scanNetwork() async {
+    // TODO: return 5 endpoints from current window
+    // - Request all bootstrap endpoints to get theres current bloc number and hash, and theres known endpoinds
+    // - Store them in the Map endpoints with all endpoints sorted by highest current bloc with
+    // - Request all endpoints known by the last slave, only theses we don't even know
+    // - Do it 3 times, and return 5 highest endpoints, only theses in the current window (exclude these with another hashs)
+
+    var endpoints = Map();
+    List<String> currentWindow = [];
+
+    return currentWindow;
+  }
+
   Future<String> getValidEndpoint() async {
     List _listEndpoints = await rootBundle
         .loadString('config/gva_endpoints.json')