diff --git a/_data/chains/eip155-394.json b/_data/chains/eip155-394.json
new file mode 100644
index 000000000000..da7bdf364840
--- /dev/null
+++ b/_data/chains/eip155-394.json
@@ -0,0 +1,16 @@
+{
+  "name": "Nexus Sepolia",
+  "chain": "NEX",
+  "rpc": [],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "Nexus",
+    "symbol": "NEX",
+    "decimals": 18
+  },
+  "infoURL": "https://nexus.xyz",
+  "shortName": "nex",
+  "chainId": 394,
+  "networkId": 394,
+  "status": "incubating"
+}