diff --git a/_data/chains/eip155-7683.json b/_data/chains/eip155-7683.json
new file mode 100644
index 000000000000..cbdb5f399265
--- /dev/null
+++ b/_data/chains/eip155-7683.json
@@ -0,0 +1,25 @@
+{
+  "name": "Joyychain",
+  "chain": "ETH",
+  "rpc": ["https://rpc.joyychain.com", "wss://rpc.joyychain.com"],
+  "features": [{ "name": "EIP155" }, { "name": "EIP1559" }],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "Ether",
+    "symbol": "ETH",
+    "decimals": 18
+  },
+  "infoURL": "https://www.joyychain.com/",
+  "shortName": "joyychain",
+  "chainId": 7683,
+  "networkId": 7683,
+  "icon": "joyychain",
+  "explorers": [
+    {
+      "name": "Joyychain Mainnet Explorer",
+      "url": "https://scan.joyychain.com",
+      "icon": "blockscout",
+      "standard": "EIP3091"
+    }
+  ]
+}
diff --git a/_data/chains/eip155-76832.json b/_data/chains/eip155-76832.json
new file mode 100644
index 000000000000..63a029b40029
--- /dev/null
+++ b/_data/chains/eip155-76832.json
@@ -0,0 +1,28 @@
+{
+  "name": "Joyychain Testnet",
+  "chain": "ETH",
+  "rpc": [
+    "https://testnet-rpc.joyychain.com",
+    "wss://testnet-rpc.joyychain.com"
+  ],
+  "features": [{ "name": "EIP155" }, { "name": "EIP1559" }],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "Ether",
+    "symbol": "ETH",
+    "decimals": 18
+  },
+  "infoURL": "https://www.joyychain.com/",
+  "shortName": "joyychainsep",
+  "chainId": 76832,
+  "networkId": 76832,
+  "icon": "joyychain",
+  "explorers": [
+    {
+      "name": "Joyychain Testnet Explorer",
+      "url": "https://testnet-scan.joyychain.com",
+      "icon": "blockscout",
+      "standard": "EIP3091"
+    }
+  ]
+}
diff --git a/_data/icons/joyychain.json b/_data/icons/joyychain.json
new file mode 100644
index 000000000000..b6aace68d945
--- /dev/null
+++ b/_data/icons/joyychain.json
@@ -0,0 +1,8 @@
+[
+  {
+    "url": "ipfs://QmVqbpP6kmKiSWxhyhRxAx6xngsU6eEUA5MtQX1Zk7gBrx",
+    "width": 192,
+    "height": 192,
+    "format": "png"
+  }
+]