diff --git a/_data/chains/eip155-195.json b/_data/chains/eip155-195.json
new file mode 100644
index 00000000..f88ae6dd
--- /dev/null
+++ b/_data/chains/eip155-195.json
@@ -0,0 +1,18 @@
+{
+  "name": "OKBChain Testnet",
+  "chain": "okbchain",
+  "rpc": [],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "OKBChain Global Utility Token in testnet",
+    "symbol": "OKB",
+    "decimals": 18
+  },
+  "features": [],
+  "infoURL": "https://www.okex.com/okc",
+  "shortName": "tokb",
+  "chainId": 195,
+  "networkId": 195,
+  "explorers": [],
+  "status": "incubating"
+}
diff --git a/_data/chains/eip155-196.json b/_data/chains/eip155-196.json
new file mode 100644
index 00000000..a78a4ae5
--- /dev/null
+++ b/_data/chains/eip155-196.json
@@ -0,0 +1,18 @@
+{
+  "name": "OKBChain Mainnet",
+  "chain": "okbchain",
+  "rpc": [],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "OKBChain Global Utility Token",
+    "symbol": "OKB",
+    "decimals": 18
+  },
+  "features": [],
+  "infoURL": "https://www.okex.com/okc",
+  "shortName": "okb",
+  "chainId": 196,
+  "networkId": 196,
+  "explorers": [],
+  "status": "incubating"
+}