diff --git a/packages/offchain-manager/src/dto/chains.ts b/packages/offchain-manager/src/dto/chains.ts
index 468b233..c5be92b 100644
--- a/packages/offchain-manager/src/dto/chains.ts
+++ b/packages/offchain-manager/src/dto/chains.ts
@@ -16,6 +16,8 @@
 export enum ChainName {
   /** Ethereum mainnet */
   Ethereum = "eth",
+  /** Default (EVM-compatible) */
+  Default = "default",
   /** Solana */
   Solana = "sol",
   /** Arbitrum One */
@@ -85,6 +87,10 @@ export const chainMetadata: Record<ChainName, ChainMetadata> = {
     label: "Ethereum",
     coin: 60,
   },
+  default: {
+    label: "Default",
+    coin: 2147483648,
+  },
   base: {
     label: "Base",
     coin: 8453,
diff --git a/packages/offchain-manager/src/offchain-client/validation.ts b/packages/offchain-manager/src/offchain-client/validation.ts
index c01500f..2c4a9cb 100644
--- a/packages/offchain-manager/src/offchain-client/validation.ts
+++ b/packages/offchain-manager/src/offchain-client/validation.ts
@@ -160,6 +160,7 @@ export const validateAddress = (address: string, chain: ChainName): void => {
     // Basic address validation based on chain
     switch (chain) {
         case ChainName.Ethereum:
+        case ChainName.Default:
         case ChainName.Arbitrum:
         case ChainName.Optimism:
         case ChainName.Base: