diff --git a/_data/chains/eip155-12123.json b/_data/chains/eip155-12123.json
new file mode 100644
index 00000000..118cca15
--- /dev/null
+++ b/_data/chains/eip155-12123.json
@@ -0,0 +1,23 @@
+{
+  "name": "BRC Chain Mainnet",
+  "chain": "BRC",
+  "rpc": ["https://rpc.brcchain.io"],
+  "faucets": ["https://faucet.brcchain.io"],
+  "nativeCurrency": {
+    "name": "BRC Chain mainnet native token",
+    "symbol": "BRC",
+    "decimals": 18
+  },
+  "infoURL": "https://bridge.brcchain.io",
+  "shortName": "BRC",
+  "chainId": 12123,
+  "networkId": 12123,
+  "icon": "brcchain",
+  "explorers": [
+    {
+      "name": "BRC Chain Explorer",
+      "url": "https://scan.brcchain.io",
+      "standard": "EIP3091"
+    }
+  ]
+}
diff --git a/_data/icons/brcchain.json b/_data/icons/brcchain.json
new file mode 100644
index 00000000..16c54b04
--- /dev/null
+++ b/_data/icons/brcchain.json
@@ -0,0 +1,8 @@
+[
+  {
+    "url": "ipfs://QmX8qGX7xoZqYUpHxA85uZwQX2fgbTHvmddE1NfseDyBED",
+    "width": 512,
+    "height": 512,
+    "format": "png"
+  }
+]