diff --git a/_data/chains/50.json b/_data/chains/50.json
new file mode 100644
index 00000000..2393460b
--- /dev/null
+++ b/_data/chains/50.json
@@ -0,0 +1,18 @@
+{
+  "name": "XinFin Network Mainnet",
+  "chain": "XDC",
+  "network": "mainnet",
+  "rpc": [
+    "https://rpc.xinfin.network"
+  ],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "XinFin",
+    "symbol": "XDC",
+    "decimals": 18
+  },
+  "infoURL": "https://xinfin.org",
+  "shortName": "xdc",
+  "chainId": 50,
+  "networkId": 50
+}
diff --git a/_data/chains/51.json b/_data/chains/51.json
new file mode 100644
index 00000000..4c63ac40
--- /dev/null
+++ b/_data/chains/51.json
@@ -0,0 +1,18 @@
+{
+  "name": "XinFin Apothem Testnet",
+  "chain": "TXDC",
+  "network": "testnet",
+  "rpc": [
+    "https://rpc.apothem.network"
+  ],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "XinFinTest",
+    "symbol": "TXDC",
+    "decimals": 18
+  },
+  "infoURL": "https://xinfin.org",
+  "shortName": "TXDC",
+  "chainId": 51,
+  "networkId": 51
+}