diff --git a/_data/chains/eip155-5729.json b/_data/chains/eip155-5729.json
new file mode 100644
index 00000000..7769ac33
--- /dev/null
+++ b/_data/chains/eip155-5729.json
@@ -0,0 +1,23 @@
+{
+  "name": "Hika Devnet",
+  "chain": "Hika Network Testnet",
+  "icon": "hik",
+  "rpc": ["https://rpc-testnet.hika.network/"],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "Hik Token",
+    "symbol": "HIK",
+    "decimals": 18
+  },
+  "infoURL": "https://hika.network/",
+  "shortName": "hik",
+  "chainId": 5729,
+  "networkId": 5729,
+  "explorers": [
+    {
+      "name": "Hika Network Testnet Explorer",
+      "url": "https://scan-testnet.hika.network",
+      "standard": "none"
+    }
+  ]
+}
diff --git a/_data/icons/hik.json b/_data/icons/hik.json
new file mode 100644
index 00000000..35de2b52
--- /dev/null
+++ b/_data/icons/hik.json
@@ -0,0 +1,8 @@
+[
+  {
+    "url": "ipfs://QmW44FPm3CMM2JDs8BQxLNvUtykkUtrGkQkQsUDJSi3Gmp",
+    "width": 350,
+    "height": 84,
+    "format": "png"
+  }
+]
diff --git a/_data/iconsDownload/QmW44FPm3CMM2JDs8BQxLNvUtykkUtrGkQkQsUDJSi3Gmp b/_data/iconsDownload/QmW44FPm3CMM2JDs8BQxLNvUtykkUtrGkQkQsUDJSi3Gmp
new file mode 100644
index 00000000..52acbd95
Binary files /dev/null and b/_data/iconsDownload/QmW44FPm3CMM2JDs8BQxLNvUtykkUtrGkQkQsUDJSi3Gmp differ