diff --git a/src/config/constants.ts b/src/config/constants.ts
index ee23421..69d8e6b 100644
--- a/src/config/constants.ts
+++ b/src/config/constants.ts
@@ -12,3 +12,5 @@ export const TX_CONFIRM_BLOCKS = 6;
 export const NATIVE_PK_PREFIX = "0x000000000000000000000000";
 
 export const ZERO_ADDRESS = "0x0000000000000000000000000000000000000000";
+
+export const AVAILABLE_CHAINS = [80001, 421613, 137, 42161];