diff --git a/_data/chains/eip155-1564830818.json b/_data/chains/eip155-1564830818.json
new file mode 100644
index 00000000..a5f3bb32
--- /dev/null
+++ b/_data/chains/eip155-1564830818.json
@@ -0,0 +1,24 @@
+{
+  "name": "Calypso NFT Hub | SKALE",
+  "title": "Calypso NFT Hub Mainnet",
+  "chain": "honorable-steel-rasalhague",
+  "rpc": ["https://mainnet.skalenodes.com/v1/honorable-steel-rasalhague"],
+  "faucets": ["https://sfuel.dirtroad.dev"],
+  "nativeCurrency": {
+    "name": "sFUEL",
+    "symbol": "sFUEL",
+    "decimals": 18
+  },
+  "infoURL": "https://calypsohub.network/",
+  "shortName": "calypso-mainnet",
+  "chainId": 1564830818,
+  "networkId": 1564830818,
+  "explorers": [
+    {
+      "name": "Blockscout",
+      "url": "https://honorable-steel-rasalhague.explorer.mainnet.skalenodes.com",
+      "icon": "calypso",
+      "standard": "EIP3091"
+    }
+  ]
+}
diff --git a/_data/chains/eip155-344106930.json b/_data/chains/eip155-344106930.json
new file mode 100644
index 00000000..7f8e38b5
--- /dev/null
+++ b/_data/chains/eip155-344106930.json
@@ -0,0 +1,24 @@
+{
+  "name": "Calypso NFT Hub | SKALE Testnet",
+  "title": "Calypso NFT Hub Testnet",
+  "chain": "staging-utter-unripe-menkar",
+  "rpc": ["https://staging-v3.skalenodes.com/v1/staging-utter-unripe-menkar"],
+  "faucets": ["https://sfuel.dirtroad.dev/staging"],
+  "nativeCurrency": {
+    "name": "sFUEL",
+    "symbol": "sFUEL",
+    "decimals": 18
+  },
+  "infoURL": "https://calypsohub.network/",
+  "shortName": "calypso-testnet",
+  "chainId": 344106930,
+  "networkId": 344106930,
+  "explorers": [
+    {
+      "name": "Blockscout",
+      "url": "https://staging-utter-unripe-menkar.explorer.staging-v3.skalenodes.com",
+      "icon": "calypso",
+      "standard": "EIP3091"
+    }
+  ]
+}
diff --git a/_data/icons/calypso.json b/_data/icons/calypso.json
new file mode 100644
index 00000000..c49c60d5
--- /dev/null
+++ b/_data/icons/calypso.json
@@ -0,0 +1,8 @@
+[
+  {
+    "url": "ipfs://bafybeigyayzxvt7vosat4rtrbmhhnldgx57w2pfbutuniax7h6kswzi42m",
+    "width": 1637,
+    "height": 1636,
+    "format": "png"
+  }
+]