diff --git a/_data/chains/eip155-3666.json b/_data/chains/eip155-3666.json
index b23cd329..a3e045d2 100644
--- a/_data/chains/eip155-3666.json
+++ b/_data/chains/eip155-3666.json
@@ -1,21 +1,21 @@
 {
-  "name": "Metacodechain",
-  "chain": "metacode",
-  "rpc": ["https://j.blockcoach.com:8503"],
+  "name": "Jouleverse Mainnet",
+  "chain": "Jouleverse",
+  "rpc": ["https://rpc.jnsdao.com:8503"],
   "faucets": [],
   "nativeCurrency": {
     "name": "J",
     "symbol": "J",
     "decimals": 18
   },
-  "infoURL": "https://j.blockcoach.com:8089",
-  "shortName": "metacode",
+  "infoURL": "https://jnsdao.com",
+  "shortName": "jouleverse",
   "chainId": 3666,
   "networkId": 3666,
   "explorers": [
     {
-      "name": "meta",
-      "url": "https://j.blockcoach.com:8089",
+      "name": "jscan",
+      "url": "https://jscan.jnsdao.com",
       "standard": "EIP3091"
     }
   ]