diff --git a/_data/chains/eip155-25.json b/_data/chains/eip155-25.json
new file mode 100644
index 00000000..f2e856b7
--- /dev/null
+++ b/_data/chains/eip155-25.json
@@ -0,0 +1,23 @@
+{
+  "name": "Cronos Mainnet Beta",
+  "chain": "CRO",
+  "network": "mainnet",
+  "rpc": [
+    "https://evm-cronos.crypto.org"
+  ],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "Crypto.org Coin",
+    "symbol": "CRO",
+    "decimals": 18
+  },
+  "infoURL": "https://cronos.crypto.org",
+  "shortName": "cro",
+  "chainId": 25,
+  "networkId": 25,
+  "explorers": [{
+    "name": "Cronos Explorer",
+    "url": "https://cronos.crypto.org/explorer",
+    "standard": "none"
+  }]
+}
diff --git a/_data/chains/eip155-338.json b/_data/chains/eip155-338.json
index f9583f60..568eeaed 100644
--- a/_data/chains/eip155-338.json
+++ b/_data/chains/eip155-338.json
@@ -20,7 +20,7 @@
   "networkId": 338,
   "explorers": [{
     "name": "Cronos Testnet Explorer",
-    "url": "https://cronos.crypto.org/explorer",
+    "url": "https://cronos.crypto.org/explorer/testnet3",
     "standard": "none"
   }]
 }