diff --git a/_data/chains/eip155-200024.json b/_data/chains/eip155-200024.json
new file mode 100644
index 000000000000..a22d88de79fb
--- /dev/null
+++ b/_data/chains/eip155-200024.json
@@ -0,0 +1,25 @@
+{
+  "name": "NitroGraph Testnet",
+  "chain": "NOS",
+  "rpc": ["https://rpc-testnet.nitrograph.foundation"],
+  "faucets": ["https://faucet-testnet.nitrograph.foundation"],
+  "nativeCurrency": {
+    "name": "Nitro",
+    "symbol": "NOS",
+    "decimals": 18
+  },
+  "features": [{ "name": "EIP155" }, { "name": "EIP1559" }],
+  "infoURL": "https://nitrograph.com",
+  "shortName": "NOS",
+  "chainId": 200024,
+  "networkId": 200024,
+  "icon": "nitrograph",
+  "explorers": [
+    {
+      "name": "nitroscan",
+      "url": "https://explorer-testnet.nitrograph.foundation",
+      "icon": "nitroscan",
+      "standard": "EIP3091"
+    }
+  ]
+}
diff --git a/_data/icons/nitrograph.json b/_data/icons/nitrograph.json
new file mode 100644
index 000000000000..7f4df6e03442
--- /dev/null
+++ b/_data/icons/nitrograph.json
@@ -0,0 +1,8 @@
+[
+  {
+    "url": "ipfs://QmbF37QMDXwvhFtvLAafpugQpbeBWPT4Hoq5ANzqa1Aeqg",
+    "width": 946,
+    "height": 947,
+    "format": "png"
+  }
+]
diff --git a/_data/icons/nitroscan.json b/_data/icons/nitroscan.json
new file mode 100644
index 000000000000..7f4df6e03442
--- /dev/null
+++ b/_data/icons/nitroscan.json
@@ -0,0 +1,8 @@
+[
+  {
+    "url": "ipfs://QmbF37QMDXwvhFtvLAafpugQpbeBWPT4Hoq5ANzqa1Aeqg",
+    "width": 946,
+    "height": 947,
+    "format": "png"
+  }
+]