diff --git a/_data/chains/eip155-4242.json b/_data/chains/eip155-4242.json
new file mode 100644
index 00000000..122ff3d0
--- /dev/null
+++ b/_data/chains/eip155-4242.json
@@ -0,0 +1,28 @@
+{
+  "name": "Nexi Mainnet",
+  "chain": "Nexi",
+  "icon": "nexi",
+  "rpc": [
+    "https://rpc.chain.nexi.technology/",
+    "https://chain.nexilix.com",
+    "https://chain.nexi.evmnode.online"
+  ],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "Nexi",
+    "symbol": "NEXI",
+    "decimals": 18
+  },
+  "infoURL": "https://www.nexi.technology/",
+  "shortName": "nexi",
+  "chainId": 4242,
+  "networkId": 4242,
+  "slip44": 2500,
+  "explorers": [
+    {
+      "name": "nexiscan",
+      "url": "https://www.nexiscan.com",
+      "standard": "EIP3091"
+    }
+  ]
+}
diff --git a/_data/icons/nexi.json b/_data/icons/nexi.json
new file mode 100644
index 00000000..2e26d099
--- /dev/null
+++ b/_data/icons/nexi.json
@@ -0,0 +1,8 @@
+[
+  {
+    "url": "ipfs://bafybeifxqd7zel2m237kq5enavnh2s6cshaavswigogyvae2wevxy5k2ti",
+    "width": 512,
+    "height": 578,
+    "format": "png"
+  }
+]