diff --git a/_data/chains/eip155-21097.json b/_data/chains/eip155-21097.json
new file mode 100644
index 000000000000..c67d60b5e5d7
--- /dev/null
+++ b/_data/chains/eip155-21097.json
@@ -0,0 +1,28 @@
+{
+  "name": "Rivest Testnet",
+  "chain": "Inco",
+  "rpc": [
+    "https://validator.rivest.inco.org",
+    "https://gateway.rivest.inco.org"
+  ],
+  "faucets": ["https://faucet.rivest.inco.org"],
+  "nativeCurrency": {
+    "name": "test-Inco",
+    "symbol": "tINCO",
+    "decimals": 18
+  },
+  "infoURL": "https://inco.org",
+  "shortName": "rivest-testnet",
+  "chainId": 21097,
+  "networkId": 21097,
+  "slip44": 1,
+  "icon": "inco",
+  "explorers": [
+    {
+      "name": "Rivest Testnet Explorer",
+      "url": "https://explorer.rivest.inco.org",
+      "standard": "EIP3091",
+      "icon": "inco"
+    }
+  ]
+}
diff --git a/_data/chains/eip155-3502.json b/_data/chains/eip155-3502.json
new file mode 100644
index 000000000000..bb90c671223f
--- /dev/null
+++ b/_data/chains/eip155-3502.json
@@ -0,0 +1,25 @@
+{
+  "name": "JZERO",
+  "chain": "JZERO",
+  "icon": "jzero",
+  "rpc": ["https://rpc.jzero.xyz"],
+  "faucets": [],
+  "features": [{ "name": "EIP155" }, { "name": "EIP1559" }],
+  "nativeCurrency": {
+    "name": "JZERO",
+    "symbol": "JZR",
+    "decimals": 18
+  },
+  "infoURL": "https://jzero.xyz",
+  "shortName": "jzero",
+  "chainId": 3502,
+  "networkId": 3502,
+  "explorers": [
+    {
+      "name": "JZERO Explorer",
+      "url": "https://exp.jzero.xyz",
+      "icon": "jzero",
+      "standard": "EIP3091"
+    }
+  ]
+}
diff --git a/_data/chains/eip155-50.json b/_data/chains/eip155-50.json
index 2112628a04e9..051bef7c475c 100644
--- a/_data/chains/eip155-50.json
+++ b/_data/chains/eip155-50.json
@@ -5,7 +5,8 @@
     "https://erpc.xinfin.network",
     "https://rpc.xinfin.network",
     "https://rpc1.xinfin.network",
-    "https://rpc-xdc.icecreamswap.com"
+    "https://rpc.xdcrpc.com",
+    "https://erpc.xdcrpc.com"
   ],
   "faucets": [],
   "nativeCurrency": {
@@ -19,6 +20,12 @@
   "networkId": 50,
   "icon": "xdc",
   "explorers": [
+    {
+      "name": "xdcscan",
+      "url": "https://xdcscan.com",
+      "icon": "blocksscan",
+      "standard": "EIP3091"
+    },
     {
       "name": "xdcscan",
       "url": "https://xdcscan.io",
diff --git a/_data/chains/eip155-50104.json b/_data/chains/eip155-50104.json
new file mode 100644
index 000000000000..6e4c3894e410
--- /dev/null
+++ b/_data/chains/eip155-50104.json
@@ -0,0 +1,23 @@
+{
+  "name": "Sophon",
+  "chain": "Sophon",
+  "rpc": ["https://rpc.sophon.xyz"],
+  "nativeCurrency": {
+    "name": "Sophon",
+    "symbol": "SOPH",
+    "decimals": 18
+  },
+  "faucets": [],
+  "infoURL": "",
+  "shortName": "sophon",
+  "chainId": 50104,
+  "networkId": 50104,
+  "explorers": [
+    {
+      "name": "Sophon Block Explorer",
+      "url": "https://explorer.sophon.xyz",
+      "icon": "sophon-testnet",
+      "standard": "none"
+    }
+  ]
+}
diff --git a/_data/icons/inco.json b/_data/icons/inco.json
new file mode 100644
index 000000000000..efd96f35398b
--- /dev/null
+++ b/_data/icons/inco.json
@@ -0,0 +1,8 @@
+[
+  {
+    "url": "ipfs://QmU9aHw1i3qM8rZekXfb4rFZHPxVvsLdnpohKLGGFYewMg",
+    "width": 1661,
+    "height": 480,
+    "format": "png"
+  }
+]
diff --git a/_data/icons/jzero.json b/_data/icons/jzero.json
new file mode 100644
index 000000000000..9f5e91718000
--- /dev/null
+++ b/_data/icons/jzero.json
@@ -0,0 +1,8 @@
+[
+  {
+    "url": "ipfs://QmVXd6Jm541mVJbfzHQaZNZce9znvm8iXfxgf91J2XNg61",
+    "width": 512,
+    "height": 512,
+    "format": "png"
+  }
+]