diff --git a/lib/core/src/providers/providers_use_cases.dart b/lib/core/src/providers/providers_use_cases.dart
index f76449e8..52789cbe 100644
--- a/lib/core/src/providers/providers_use_cases.dart
+++ b/lib/core/src/providers/providers_use_cases.dart
@@ -1,6 +1,7 @@
 import 'package:datadashwallet/common/common.dart';
 import 'package:datadashwallet/features/common/account/log_out_use_case.dart';
 import 'package:datadashwallet/features/common/common.dart';
+import 'package:datadashwallet/features/common/contract/chains_use_case.dart';
 import 'package:datadashwallet/features/common/contract/nft_contract_use_case.dart';
 import 'package:datadashwallet/features/common/contract/pricing_use_case.dart';
 import 'package:datadashwallet/features/common/contract/tweets_use_case.dart';
@@ -146,3 +147,11 @@ final Provider<AppVersionUseCase> appVersionUseCaseProvider = Provider(
     ref.watch(web3RepositoryProvider),
   ),
 );
+
+final Provider<ChainsUseCase> chainsUseCaseProvider = Provider(
+  (ref) => ChainsUseCase(
+    ref.watch(web3RepositoryProvider),
+    ref.watch(chainConfigurationUseCaseProvider),
+    ref.watch(authUseCaseProvider),
+  ),
+);
diff --git a/lib/features/common/contract/chains_use_case.dart b/lib/features/common/contract/chains_use_case.dart
new file mode 100644
index 00000000..20adca9f
--- /dev/null
+++ b/lib/features/common/contract/chains_use_case.dart
@@ -0,0 +1,88 @@
+import 'dart:async';
+
+import 'package:datadashwallet/core/core.dart';
+import 'package:datadashwallet/features/settings/subfeatures/chain_configuration/domain/chain_configuration_use_case.dart';
+import 'package:mxc_logic/mxc_logic.dart';
+
+class ChainsUseCase extends ReactiveUseCase {
+  ChainsUseCase(
+      this._repository, this._chainConfigurationUseCase, this._authUseCase);
+
+  final Web3Repository _repository;
+  final ChainConfigurationUseCase _chainConfigurationUseCase;
+  final AuthUseCase _authUseCase;
+
+  Future<ChainsRpcList> getChainsRpcUrls() async {
+    return await _repository.chainsRepository.getChainsRpcUrls();
+  }
+
+  void updateChainsRPCUrls() async {
+    try {
+      final chainsRpcUrls = await getChainsRpcUrls();
+      final networks = _chainConfigurationUseCase.networks.value;
+
+      for (ChainRpcUrl chainRpcUrl in chainsRpcUrls.chainList ?? []) {
+        final foundIndex = networks
+            .indexWhere((element) => element.chainId == chainRpcUrl.chainId);
+
+        if (foundIndex != -1) {
+          final network = networks.elementAt(foundIndex);
+
+          // If any change is detected
+          if (network.web3RpcHttpUrl != chainRpcUrl.httpUrl ||
+              network.web3RpcWebsocketUrl != chainRpcUrl.wssUrl) {
+            final updatedNetwork = network.copyWith(
+                web3RpcHttpUrl: chainRpcUrl.httpUrl,
+                web3RpcWebsocketUrl: chainRpcUrl.wssUrl);
+            // Update in DB
+            _chainConfigurationUseCase.updateItem(updatedNetwork, foundIndex);
+
+            if (network.enabled) {
+              _chainConfigurationUseCase.updateSelectedNetwork(updatedNetwork);
+              _authUseCase.resetNetwork(updatedNetwork);
+            }
+          }
+        }
+      }
+    } catch (e) {
+      // This update necessary since, RPC change might be essential.
+      updateChainsRPCUrls();
+    }
+  }
+
+  // void checkChainsRpcUrls(void Function(Network) resetNetwork, Network selectedNetwork) async {
+  // try {
+  //   final chainsRpcUrls = await getChainsRpcUrls();
+
+  //   for (ChainRpcUrl chain in chainsRpcUrls.chainList ?? []) {
+  //     await checkChainRpcUrls(chain);
+  //   }
+  // } catch (e) {
+  //   checkChainsRpcUrls();
+  // }
+  // }
+
+  // Future<void> checkChainRpcUrls(ChainRpcUrl chain) async {
+  //   for (String url in chain.rpcUrls ?? []) {
+  //     try {
+  //       if (url.contains('wss')) {
+  //         await checkWebSocketRpcUrl(url);
+  //       } else {
+  //         await checkRpcUrl(url);
+  //       }
+  //       // select the rpc url
+  //     } catch (e) {
+  //       continue;
+  //     }
+  //   }
+  // }
+
+  // // TODO: check websocket link
+  // Future<int> checkWebSocketRpcUrl(String url) async {
+  //   return _repository.chainsRepository.getBlockNumber(url);
+  // }
+
+  // Future<int> checkRpcUrl(String url) async {
+  //   return _repository.chainsRepository.getBlockNumber(url);
+  // }
+}
diff --git a/lib/features/settings/subfeatures/chain_configuration/domain/chain_configuration_use_case.dart b/lib/features/settings/subfeatures/chain_configuration/domain/chain_configuration_use_case.dart
index e497bbd2..891f4fa5 100644
--- a/lib/features/settings/subfeatures/chain_configuration/domain/chain_configuration_use_case.dart
+++ b/lib/features/settings/subfeatures/chain_configuration/domain/chain_configuration_use_case.dart
@@ -52,6 +52,7 @@ class ChainConfigurationUseCase extends ReactiveUseCase {
   }
 
   void updateFixedNetworks() {
+    final fixedList = Network.fixedNetworks();
     for (int i = 0; i < _repository.items.length; i++) {
       final repoItem = _repository.items[i];
 
@@ -61,12 +62,26 @@ class ChainConfigurationUseCase extends ReactiveUseCase {
 
       if (index != -1) {
         // matches
-        final fixedItem = Network.fixedNetworks().elementAt(index);
+        final fixedItem = fixedList.elementAt(index);
         if (!repoItem.compareWithOther(fixedItem)) {
           _repository.updateItem(repoItem.copyWithOther(fixedItem), i);
         }
+      } else {
+        // Fixed network does't contain repo Item It means It's deleted
+        _repository.removeItem(repoItem);
       }
     }
+
+    // Adding new networks If available
+    for (Network network in fixedList) {
+      final foundIndex =
+          _repository.items.indexWhere((e) => e.chainId == network.chainId);
+
+      if (foundIndex == -1) {
+        _repository.addItem(network);
+      }
+    }
+
     update(networks, _repository.items);
   }
 
@@ -114,6 +129,10 @@ class ChainConfigurationUseCase extends ReactiveUseCase {
     update(selectedNetwork, selectedNetwork.value);
   }
 
+  void updateSelectedNetwork(Network updatedSelectedNetwork) {
+    update(selectedNetwork, updatedSelectedNetwork);
+  }
+
   /// only for details of custom network delete network page
   void selectNetworkForDetails(Network network) {
     update(selectedNetworkForDetails, network);
diff --git a/lib/main.dart b/lib/main.dart
index 79883817..4987822d 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -33,6 +33,9 @@ void main() {
       final appVersionUseCase = container.read(appVersionUseCaseProvider);
       await appVersionUseCase.checkLatestVersion();
 
+      final initializationUseCase = container.read(chainsUseCaseProvider);
+      initializationUseCase.updateChainsRPCUrls();
+
       runApp(
         UncontrolledProviderScope(
           container: container,
diff --git a/packages/shared b/packages/shared
index ec30acf4..a3e46009 160000
--- a/packages/shared
+++ b/packages/shared
@@ -1 +1 @@
-Subproject commit ec30acf43d8e5369f6aae0cf642d8f4198fa4e2a
+Subproject commit a3e460096a0242eff5fd7fa5c51d88a2ea6705d5