diff --git a/_data/chains/eip155-13766.json b/_data/chains/eip155-13766.json
new file mode 100644
index 000000000000..e609062afffb
--- /dev/null
+++ b/_data/chains/eip155-13766.json
@@ -0,0 +1,26 @@
+{
+  "name": "Trexx",
+  "chain": "Trexx",
+  "icon": "trexx",
+  "rpc": [
+    "https://services.tanssi-mainnet.network/tanssi-2003",
+    "wss://services.tanssi-mainnet.network/tanssi-2003"
+  ],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "TRX",
+    "symbol": "TRX",
+    "decimals": 18
+  },
+  "infoURL": "https://trexx.com.br",
+  "shortName": "trexx",
+  "chainId": 13766,
+  "networkId": 13766,
+  "explorers": [
+    {
+      "name": "Tanssi EVM Basic Explorer",
+      "url": "https://evmexplorer.tanssi-chains.network/?rpcUrl=https://services.tanssi-mainnet.network/tanssi-2003",
+      "standard": "none"
+    }
+  ]
+}
diff --git a/_data/chains/eip155-3230.json b/_data/chains/eip155-3230.json
new file mode 100644
index 000000000000..c1d53329ca30
--- /dev/null
+++ b/_data/chains/eip155-3230.json
@@ -0,0 +1,26 @@
+{
+  "name": "C9XChain",
+  "chain": "C9XChain",
+  "icon": "c9xchain",
+  "rpc": [
+    "https://services.tanssi-mainnet.network/tanssi-2002",
+    "wss://services.tanssi-mainnet.network/tanssi-2002"
+  ],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "CXC",
+    "symbol": "CXC",
+    "decimals": 18
+  },
+  "infoURL": "https://c9tech.com.br/",
+  "shortName": "c9xchain",
+  "chainId": 3230,
+  "networkId": 3230,
+  "explorers": [
+    {
+      "name": "blockscout",
+      "url": "https://blockscan-tanssi.c9tech.com.br",
+      "standard": "none"
+    }
+  ]
+}
diff --git a/_data/chains/eip155-335700.json b/_data/chains/eip155-335700.json
new file mode 100644
index 000000000000..1c1d89d79248
--- /dev/null
+++ b/_data/chains/eip155-335700.json
@@ -0,0 +1,26 @@
+{
+  "name": "Scenium",
+  "chain": "Scenium",
+  "icon": "scenium",
+  "rpc": [
+    "https://services.tanssi-mainnet.network/tanssi-2004",
+    "wss://services.tanssi-mainnet.network/tanssi-2004"
+  ],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "SCEN",
+    "symbol": "SCEN",
+    "decimals": 18
+  },
+  "infoURL": "hhttps://www.scenium.io/",
+  "shortName": "scenium",
+  "chainId": 335700,
+  "networkId": 335700,
+  "explorers": [
+    {
+      "name": "Tanssi EVM Basic Explorer",
+      "url": "https://evmexplorer.tanssi-chains.network/?rpcUrl=https://services.tanssi-mainnet.network/tanssi-2004",
+      "standard": "none"
+    }
+  ]
+}
diff --git a/_data/icons/c9xchain.json b/_data/icons/c9xchain.json
new file mode 100644
index 000000000000..3e8e6dddb6b5
--- /dev/null
+++ b/_data/icons/c9xchain.json
@@ -0,0 +1,8 @@
+[
+  {
+    "url": "ipfs://bafybeiemkxy4mvhfzsxccoqx5ebbe5sdudae4vclnppbc26qann4z6fkiu",
+    "width": 500,
+    "height": 500,
+    "format": "png"
+  }
+]
diff --git a/_data/icons/scenium.json b/_data/icons/scenium.json
new file mode 100644
index 000000000000..47cbca42cd9b
--- /dev/null
+++ b/_data/icons/scenium.json
@@ -0,0 +1,8 @@
+[
+  {
+    "url": "ipfs://bafkreicngi3vnsauqgncupwitkkq2733nuwmqvczkiodynbsaxjmu2brna",
+    "width": 500,
+    "height": 500,
+    "format": "png"
+  }
+]
diff --git a/_data/icons/trexx.json b/_data/icons/trexx.json
new file mode 100644
index 000000000000..9a6e5c0206b1
--- /dev/null
+++ b/_data/icons/trexx.json
@@ -0,0 +1,8 @@
+[
+  {
+    "url": "ipfs://bafkreib23xfvla3cgtykjuqtg7hngnvz6rhpigraomzvepcnhttdkaqmyy",
+    "width": 500,
+    "height": 500,
+    "format": "png"
+  }
+]