diff --git a/dapps/react-dapp-v2-with-solana-web3js/src/constants/default.ts b/dapps/react-dapp-v2-with-solana-web3js/src/constants/default.ts
index 64b09bd..d04b908 100644
--- a/dapps/react-dapp-v2-with-solana-web3js/src/constants/default.ts
+++ b/dapps/react-dapp-v2-with-solana-web3js/src/constants/default.ts
@@ -1,10 +1,11 @@
 export const DEFAULT_MAIN_CHAINS = [
   // mainnets
-  "cosmos:cosmoshub-4",
+  "solana:4sGjMW1sUnHzSxGspuhpqLDx6wiyjNtZ",
 ];
 
 export const DEFAULT_TEST_CHAINS = [
   // testnets
+  "solana:8E9rvCKLFQia2Y35HXjjpWzj8weVo44K",
 ];
 
 export const DEFAULT_CHAINS = [...DEFAULT_MAIN_CHAINS, ...DEFAULT_TEST_CHAINS];