diff --git a/_data/chains/eip155-1231.json b/_data/chains/eip155-1231.json
new file mode 100644
index 00000000..319ca2ee
--- /dev/null
+++ b/_data/chains/eip155-1231.json
@@ -0,0 +1,22 @@
+{
+  "name": "Ultron Mainnet",
+  "chain": "Ultron",
+  "icon": "ultron",
+  "rpc": ["https://ultron-rpc.net"],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "Ultron",
+    "symbol": "ULX",
+    "decimals": 18
+  },
+  "infoURL": "https://ultron.foundation",
+  "shortName": "Utron Mainnet",
+  "chainId": 1231,
+  "networkId": 1231,
+  "explorers": [{
+    "name": "Ultron Explorer",
+    "url": "https://ulxscan.com",
+    "icon": "ultron",
+    "standard": "none"
+  }]
+}
diff --git a/_data/icons/ultron.json b/_data/icons/ultron.json
new file mode 100644
index 00000000..bd49c7ee
--- /dev/null
+++ b/_data/icons/ultron.json
@@ -0,0 +1,8 @@
+[
+  {
+    "url": "ipfs://QmS4W4kY7XYBA4f52vuuytXh3YaTcNBXF14V9tEY6SNqhz",
+    "width": 512,
+    "height": 512,
+    "format": "png"
+  }
+]