diff --git a/_data/chains/eip155-125.json b/_data/chains/eip155-125.json
new file mode 100644
index 00000000..a0c5f584
--- /dev/null
+++ b/_data/chains/eip155-125.json
@@ -0,0 +1,25 @@
+{
+    "name": "OYchain Testnet",
+    "chain": "OYchain",
+    "rpc": [
+        "https://rpc.testnet.oychain.io"
+           ],
+    "faucets": [
+     "https://faucet.oychain.io"
+               ],
+    "nativeCurrency": {
+      "name": "OYchain Token",
+      "symbol": "OY",
+      "decimals": 18
+    },
+    "infoURL": "https://www.oychain.io",
+    "shortName": "oychain testnet",
+    "chainId": 125,
+    "networkId": 125,
+    "slip44": 125,
+     "explorers": [{
+          "name": "OYchain Testnet Explorer",
+          "url": "https://explorer.testnet.oychain.io",
+          "standard": "none"
+  }]
+  }
diff --git a/_data/chains/eip155-126.json b/_data/chains/eip155-126.json
index ef951218..dcca42f1 100644
--- a/_data/chains/eip155-126.json
+++ b/_data/chains/eip155-126.json
@@ -1,26 +1,26 @@
 {
-    "name": "OYchain Testnet",
+    "name": "OYchain Mainnet",
     "chain": "OYchain",
     "icon": "oychain",
     "rpc": [
-        "https://rpc.cntop3.com"
+        "https://rpc.mainnet.oychain.io"
            ],
-    "faucets": [
-        "https://faucet.cntop3.com"
-                ],
+    "faucets": [ ],
+
     "nativeCurrency": {
       "name": "OYchain Token",
       "symbol": "OY",
       "decimals": 18
     },
-    "infoURL": "https://www.cntop3.com",
-    "shortName": "oychain",
+
+    "infoURL": "https://www.oychain.io",
+    "shortName": "oychain mainnet",
     "chainId": 126,
     "networkId": 126,
     "slip44": 126,
      "explorers": [{
-          "name": "OYchain Explorer",
-          "url": "https://scan.cntop3.com",
+          "name": "OYchain Mainnet Explorer",
+          "url": "https://explorer.oychain.io",
           "standard": "none"
   }]
   }