diff --git a/_data/chains/eip155-208.json b/_data/chains/eip155-208.json
new file mode 100644
index 00000000..dfb380b5
--- /dev/null
+++ b/_data/chains/eip155-208.json
@@ -0,0 +1,15 @@
+{
+  "name": "Structx Mainnet",
+  "chain": "utx",
+  "rpc": ["https://mainnet.structx.io"],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "Notes",
+    "symbol": "utx",
+    "decimals": 18
+  },
+  "infoURL": "https://structx.io",
+  "shortName": "utx",
+  "chainId": 208,
+  "networkId": 208
+}