diff --git a/_data/chains/EIP155-126.json b/_data/chains/EIP155-126.json
new file mode 100644
index 00000000..199d6643
--- /dev/null
+++ b/_data/chains/EIP155-126.json
@@ -0,0 +1,16 @@
+{
+    "name": "OYchain Testnet",
+    "chain": "OYchain",
+    "rpc": [https://rpc.cntop3.com],
+    "faucets": [http://faucet.cntop3.com],
+    "nativeCurrency": {
+      "name": "OYchain Token",
+      "symbol": "OY",
+      "decimals": 18
+    },
+    "infoURL": "https://www.cntop3.com",
+    "shortName": "oychain",
+    "chainId": 126,
+    "networkId": 126,
+    "slip44": 126
+  }