diff --git a/_data/chains/eip155-258.json b/_data/chains/eip155-258.json
new file mode 100644
index 00000000..a0359a44
--- /dev/null
+++ b/_data/chains/eip155-258.json
@@ -0,0 +1,15 @@
+{
+  "name": "Setheum",
+  "chain": "Setheum",
+  "rpc": [],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "Setheum",
+    "symbol": "SETM",
+    "decimals": 18
+  },
+  "infoURL": "https://setheum.xyz",
+  "shortName": "setm",
+  "chainId": 258,
+  "networkId": 258
+}