diff --git a/proto/mycel/registry/network_name.proto b/proto/mycel/registry/network_name.proto
index e748ff82..76368474 100644
--- a/proto/mycel/registry/network_name.proto
+++ b/proto/mycel/registry/network_name.proto
@@ -11,6 +11,10 @@ enum NetworkName {
   // BTC 1xxx
   BITCOIN_MAINNET_MAINNET = 10000;
   BITCOIN_TESTNET_TESTNET = 10001;
+  // DEFAULT
+  BITCOIN_MAINNET_DEFAULT = 19998;
+  BITCOIN_TESTNET_DEFAULT = 19999;
+
 
   // EVM 2xxxx
   // Etheruem
@@ -42,6 +46,9 @@ enum NetworkName {
   // Zetachain
   // ZETA_MAINNET_MAINNET = 20018;
   ZETA_TESTNET_ATHENS = 20019;
+  // DEFAULT
+  EVM_MAINNET_DEFAULT = 29998;
+  EVM_TESTNET_DEFAULT = 29999;
 
   // MOVE 3xxxx
   //Aptos
@@ -50,8 +57,15 @@ enum NetworkName {
   // Sui
   SUI_MAINNET_MAINNET = 30002;
   SUI_TESTNET_TESTNET = 30003;
+  // DEFAULT
+  MOVE_MAINNET_DEFAULT = 39998;
+  MOVE_TESTNET_DEFAULT = 39999;
 
   // SOLANA 4xxxx
   SOLANA_MAINNET_MAINNET = 40000;
   SOLANA_TESTNET_TESTNET = 40001;
+  // DEFAULT
+  SOLANA_MAINNET_DEFAULT = 49998;
+  SOLANA_TESTNET_DEFAULT = 49999;
+  
 }