diff --git a/_data/chains/eip155-1001.json b/_data/chains/eip155-1001.json
index bab04aee9fc4..3cc7755806c9 100644
--- a/_data/chains/eip155-1001.json
+++ b/_data/chains/eip155-1001.json
@@ -1,18 +1,15 @@
 {
-  "name": "Klaytn Testnet Baobab",
-  "chain": "KLAY",
-  "rpc": [
-    "https://public-en-baobab.klaytn.net",
-    "https://api.baobab.klaytn.net:8651"
-  ],
-  "faucets": ["https://baobab.wallet.klaytn.com/access?next=faucet"],
+  "name": "Kaia Testnet Kairos",
+  "chain": "KAIA",
+  "rpc": ["https://public-en.kairos.node.kaia.io"],
+  "faucets": ["https://faucet.kaia.io"],
   "nativeCurrency": {
-    "name": "KLAY",
-    "symbol": "KLAY",
+    "name": "KAIA",
+    "symbol": "KAIA",
     "decimals": 18
   },
-  "infoURL": "https://klaytn.foundation",
-  "shortName": "Baobab",
+  "infoURL": "https://kaia.io/",
+  "shortName": "kaia-kairos",
   "chainId": 1001,
   "networkId": 1001,
   "slip44": 1,
diff --git a/_data/chains/eip155-133.json b/_data/chains/eip155-133.json
index 72209d62229f..e31af4100357 100644
--- a/_data/chains/eip155-133.json
+++ b/_data/chains/eip155-133.json
@@ -2,7 +2,7 @@
   "name": "HashKey Chain Testnet",
   "title": "HashKey Chain Testnet",
   "chain": "HashKey Chain Testnet",
-  "rpc": [],
+  "rpc": ["https://hashkeychain-testnet.alt.technology"],
   "faucets": [],
   "nativeCurrency": {
     "name": "HashKey EcoPoints",
@@ -13,7 +13,14 @@
   "shortName": "HSKT",
   "chainId": 133,
   "networkId": 133,
-  "explorers": [],
+  "explorers": [
+    {
+      "name": "blockscout",
+      "url": "https://hashkeychain-testnet-explorer.alt.technology",
+      "icon": "blockscout",
+      "standard": "EIP3091"
+    }
+  ],
   "parent": {
     "type": "L2",
     "chain": "eip155-11155111"
diff --git a/_data/chains/eip155-19191.json b/_data/chains/eip155-19191.json
index 92bb90d1b38e..4a1da14d5c1e 100644
--- a/_data/chains/eip155-19191.json
+++ b/_data/chains/eip155-19191.json
@@ -1,16 +1,16 @@
 {
   "name": "BlockX Mainnet",
   "chain": "blockx",
-  "rpc": [],
+  "rpc": ["https://web3.blockxnet.com"],
   "faucets": ["https://ping.blockxnet.com/blockx/faucet"],
   "nativeCurrency": {
-    "name": "BCXT",
-    "symbol": "BCXT",
+    "name": "BCX",
+    "symbol": "BCX",
     "decimals": 18
   },
   "features": [{ "name": "EIP155" }, { "name": "EIP1559" }],
   "infoURL": "https://www.blockxnet.com/",
-  "shortName": "bcxt",
+  "shortName": "bcx",
   "chainId": 19191,
   "networkId": 19191,
   "explorers": [
diff --git a/_data/chains/eip155-8217.json b/_data/chains/eip155-8217.json
index 85b52c4c5555..0c681e1750e9 100644
--- a/_data/chains/eip155-8217.json
+++ b/_data/chains/eip155-8217.json
@@ -1,15 +1,15 @@
 {
-  "name": "Klaytn Mainnet Cypress",
-  "chain": "KLAY",
+  "name": "Kaia Mainnet",
+  "chain": "KAIA",
   "rpc": ["https://public-en-cypress.klaytn.net"],
   "faucets": [],
   "nativeCurrency": {
-    "name": "KLAY",
-    "symbol": "KLAY",
+    "name": "KAIA",
+    "symbol": "KAIA",
     "decimals": 18
   },
-  "infoURL": "https://klaytn.foundation",
-  "shortName": "Cypress",
+  "infoURL": "https://kaia.io",
+  "shortName": "kaia-mainnet",
   "chainId": 8217,
   "networkId": 8217,
   "slip44": 8217,
diff --git a/_data/chains/eip155-83144.json b/_data/chains/eip155-83144.json
new file mode 100644
index 000000000000..cadf027292b1
--- /dev/null
+++ b/_data/chains/eip155-83144.json
@@ -0,0 +1,26 @@
+{
+  "name": "Xprotocol Testnet",
+  "chainId": 83144,
+  "shortName": "xprotocoltestnet",
+  "chain": "Xprotocol Testnet",
+  "networkId": 83144,
+  "nativeCurrency": {
+    "name": "KICK Testnet Token",
+    "symbol": "KICK",
+    "decimals": 18
+  },
+  "rpc": ["https://rpc.testnet.xprotocol.org"],
+  "faucets": ["https://xprotocol.org/faucets"],
+  "explorers": [
+    {
+      "name": "Blockscout",
+      "url": "https://explorer.testnet.xprotocol.org",
+      "standard": "EIP3091"
+    }
+  ],
+  "parent": {
+    "type": "L2",
+    "chain": "eip155-84532"
+  },
+  "infoURL": "https://xprotocol.org/"
+}
diff --git a/_data/chains/eip155-8732.json b/_data/chains/eip155-8732.json
new file mode 100644
index 000000000000..42ce2e6d5783
--- /dev/null
+++ b/_data/chains/eip155-8732.json
@@ -0,0 +1,23 @@
+{
+  "name": "Bullions Smart Chain",
+  "chain": "Bullions",
+  "rpc": ["https://rpc.bullionsx.org"],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "Bullions",
+    "symbol": "BLN",
+    "decimals": 18
+  },
+  "infoURL": "https://www.bullionsx.io",
+  "shortName": "bln",
+  "chainId": 8732,
+  "networkId": 8732,
+  "slip44": 8732,
+  "explorers": [
+    {
+      "name": "Bullionscan",
+      "url": "https://bullionscan.org",
+      "standard": "EIP3091"
+    }
+  ]
+}