diff --git a/_data/chains/eip155-4456.json b/_data/chains/eip155-4456.json
new file mode 100644
index 000000000000..6bf4a2480ab3
--- /dev/null
+++ b/_data/chains/eip155-4456.json
@@ -0,0 +1,32 @@
+{
+  "name": "Oxin Testnet",
+  "status": "active",
+  "chain": "OXIN",
+  "icon": "oxin-testnet",
+  "rpc": [
+    "https://testnet-rpc.oxinchain.io",
+    "https://testnet-rpc1.oxinchain.io",
+    "https://testnet-rpc2.oxinchain.io",
+    "https://testnet-rpc3.oxinchain.io",
+    "https://testnet-rpc4.oxinchain.io",
+    "https://testnet-rpc5.oxinchain.io"
+  ],
+  "faucets": ["https://faucet.oxinchain.io"],
+  "nativeCurrency": {
+    "name": "Oxin Coin",
+    "symbol": "OXIN",
+    "decimals": 18
+  },
+  "infoURL": "https://oxinchain.io",
+  "shortName": "oxin-testnet",
+  "chainId": 4456,
+  "networkId": 4456,
+  "slip44": 1,
+  "explorers": [
+    {
+      "name": "OxinScan",
+      "url": "https://testnet-scan.oxinchain.io",
+      "standard": "EIP3091"
+    }
+  ]
+}
diff --git a/_data/icons/oxin-testnet.json b/_data/icons/oxin-testnet.json
new file mode 100644
index 000000000000..c6b82629251b
--- /dev/null
+++ b/_data/icons/oxin-testnet.json
@@ -0,0 +1,8 @@
+[
+  {
+    "url": "ipfs://bafkreibppuijktkbw75jrng6w5xbrvvh6w5ppd4msriiruibmpk25pndmi",
+    "width": 1500,
+    "height": 1500,
+    "format": "png"
+  }
+]