diff --git a/_data/chains/eip155-121.json b/_data/chains/eip155-121.json
new file mode 100644
index 00000000..55f67832
--- /dev/null
+++ b/_data/chains/eip155-121.json
@@ -0,0 +1,32 @@
+{
+  "name": "Realchain Mainnet",
+  "chain": "REAL",
+  "rpc": [
+    "https://rcl-dataseed1.rclsidechain.com",
+    "https://rcl-dataseed2.rclsidechain.com",
+    "https://rcl-dataseed3.rclsidechain.com",
+    "https://rcl-dataseed4.rclsidechain.com",
+    "wss://rcl-dataseed1.rclsidechain.com/v1/",
+    "wss://rcl-dataseed2.rclsidechain.com/v1/",
+    "wss://rcl-dataseed3.rclsidechain.com/v1/",
+    "wss://rcl-dataseed4.rclsidechain.com/v1/"
+  ],
+  "faucets": ["https://faucet.rclsidechain.com"],
+  "nativeCurrency": {
+    "name": "Realchain",
+    "symbol": "REAL",
+    "decimals": 18
+  },
+  "infoURL": "https://www.rclsidechain.com/",
+  "shortName": "REAL",
+  "chainId": 121,
+  "networkId": 121,
+  "slip44": 714,
+  "explorers": [
+    {
+      "name": "realscan",
+      "url": "https://rclscan.com",
+      "standard": "EIP3091"
+    }
+  ]
+}
diff --git a/_data/icons/realchain.json b/_data/icons/realchain.json
new file mode 100644
index 00000000..124a9c8f
--- /dev/null
+++ b/_data/icons/realchain.json
@@ -0,0 +1,8 @@
+[
+  {
+    "url": "ipfs://QmXLLqsG5wKyYRffxfTrV2AxY1xXRE4gVfZmg6mVKS2vUZ",
+    "width": 200,
+    "height": 90,
+    "format": "png"
+  }
+]