diff --git a/_data/chains/eip155-12051.json b/_data/chains/eip155-12051.json
new file mode 100644
index 00000000..2931a890
--- /dev/null
+++ b/_data/chains/eip155-12051.json
@@ -0,0 +1,25 @@
+{
+  "name": "Singularity ZERO Testnet",
+  "chain": "ZERO",
+  "network": "testnet",
+  "rpc": [
+    "https://betaenv.singularity.gold:18545"
+  ],
+  "faucets": [
+    "https://nft.singularity.gold"
+  ],
+  "nativeCurrency": {
+    "name": "ZERO",
+    "symbol": "tZERO",
+    "decimals": 18
+  },
+  "infoURL": "https://www.singularity.gold",
+  "shortName": "tZERO",
+  "chainId": 12051,
+  "networkId": 12051,
+  "explorers": [{
+    "name": "zeroscan",
+    "url": "https://betaenv.singularity.gold:18002",
+    "standard": "EIP3091"
+  }]
+}
diff --git a/_data/chains/eip155-1280.json b/_data/chains/eip155-1280.json
new file mode 100644
index 00000000..dc6de1aa
--- /dev/null
+++ b/_data/chains/eip155-1280.json
@@ -0,0 +1,24 @@
+{
+  "name": "HALO Mainnet",
+  "chain": "HALO",
+  "network": "mainnet",
+  "rpc": [
+    "https://https://nodes.halo.land"
+  ],
+  "faucets": [
+  ],
+  "nativeCurrency": {
+    "name": "HALO",
+    "symbol": "HO",
+    "decimals": 18
+  },
+  "infoURL": "https://halo.land/#/",
+  "shortName": "HO",
+  "chainId": 1280,
+  "networkId": 1280,
+  "explorers": [{
+    "name": "HALOexplorer",
+    "url": "https://browser.halo.land/",
+    "standard": "none"
+  }]
+}
diff --git a/_data/chains/eip155-186.json b/_data/chains/eip155-186.json
new file mode 100644
index 00000000..1957ae72
--- /dev/null
+++ b/_data/chains/eip155-186.json
@@ -0,0 +1,23 @@
+{
+  "name": "Seele Mainnet",
+  "chain": "Seele",
+  "network": "mainnet",
+  "rpc": [
+    "https://rpc.seelen.pro/"
+  ],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "Seele",
+    "symbol": "Seele",
+    "decimals": 18
+  },
+  "infoURL": "https://seelen.pro/",
+  "shortName": "Seele",
+  "chainId": 186,
+  "networkId": 186,
+  "explorers": [{
+    "name": "seeleview",
+    "url": "https://seeleview.net/",
+    "standard": "none"
+  }]
+}
diff --git a/_data/chains/eip155-25.json b/_data/chains/eip155-25.json
new file mode 100644
index 00000000..f2e856b7
--- /dev/null
+++ b/_data/chains/eip155-25.json
@@ -0,0 +1,23 @@
+{
+  "name": "Cronos Mainnet Beta",
+  "chain": "CRO",
+  "network": "mainnet",
+  "rpc": [
+    "https://evm-cronos.crypto.org"
+  ],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "Crypto.org Coin",
+    "symbol": "CRO",
+    "decimals": 18
+  },
+  "infoURL": "https://cronos.crypto.org",
+  "shortName": "cro",
+  "chainId": 25,
+  "networkId": 25,
+  "explorers": [{
+    "name": "Cronos Explorer",
+    "url": "https://cronos.crypto.org/explorer",
+    "standard": "none"
+  }]
+}
diff --git a/_data/chains/eip155-27.json b/_data/chains/eip155-27.json
new file mode 100644
index 00000000..7aa0ff28
--- /dev/null
+++ b/_data/chains/eip155-27.json
@@ -0,0 +1,23 @@
+{
+  "name": "ShibaChain",
+  "chain": "SHIB",
+  "network": "mainnet",
+  "rpc": [
+    "https://rpc.shibachain.net"
+  ],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "SHIBA INU COIN",
+    "symbol": "SHIB",
+    "decimals": 18
+  },
+  "infoURL": "https://www.shibachain.net",
+  "shortName": "shib",
+  "chainId": 27,
+  "networkId": 27,
+  "explorers": [{
+    "name": "Shiba Explorer",
+    "url": "https://exp.shibachain.net/",
+    "standard": "none"
+  }]
+}
diff --git a/_data/chains/eip155-28.json b/_data/chains/eip155-28.json
new file mode 100644
index 00000000..e41e93fe
--- /dev/null
+++ b/_data/chains/eip155-28.json
@@ -0,0 +1,27 @@
+{
+  "name": "Boba Network Rinkeby Testnet",
+  "chain": "ETH",
+  "network": "rinkeby",
+  "rpc": ["https://rinkeby.boba.network/"],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "Ether",
+    "symbol": "ETH",
+    "decimals": 18
+  },
+  "infoURL": "https://boba.network",
+  "shortName": "Boba Rinkeby",
+  "chainId": 28,
+  "networkId": 28,
+
+  "explorers": [{
+    "name": "Blockscout",
+    "url": "https://blockexplorer.rinkeby.boba.network/",
+    "standard": "none"
+  }],
+  "parent": {
+     "type" : "L2",
+     "chain": "eip155-4",
+     "bridges": [ {"url":"https://gateway.rinkeby.boba.network"} ]
+  }
+}
diff --git a/_data/chains/eip155-288.json b/_data/chains/eip155-288.json
new file mode 100644
index 00000000..39156bb8
--- /dev/null
+++ b/_data/chains/eip155-288.json
@@ -0,0 +1,27 @@
+{
+  "name": "Boba Network",
+  "chain": "ETH",
+  "network": "mainnet",
+  "rpc": ["https://mainnet.boba.network/"],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "Ether",
+    "symbol": "ETH",
+    "decimals": 18
+  },
+  "infoURL": "https://boba.network",
+  "shortName": "Boba",
+  "chainId": 288,
+  "networkId": 288,
+
+  "explorers": [{
+    "name": "Blockscout",
+    "url": "https://blockexplorer.boba.network/",
+    "standard": "none"
+  }],
+  "parent": {
+     "type" : "L2",
+     "chain": "eip155-1",
+     "bridges": [ {"url":"https://gateway.boba.network"} ]
+  }
+}
diff --git a/_data/chains/eip155-338.json b/_data/chains/eip155-338.json
index f9583f60..568eeaed 100644
--- a/_data/chains/eip155-338.json
+++ b/_data/chains/eip155-338.json
@@ -20,7 +20,7 @@
   "networkId": 338,
   "explorers": [{
     "name": "Cronos Testnet Explorer",
-    "url": "https://cronos.crypto.org/explorer",
+    "url": "https://cronos.crypto.org/explorer/testnet3",
     "standard": "none"
   }]
 }
diff --git a/_data/chains/eip155-43113.json b/_data/chains/eip155-43113.json
index 290c0f68..1169719f 100644
--- a/_data/chains/eip155-43113.json
+++ b/_data/chains/eip155-43113.json
@@ -16,5 +16,12 @@
   "infoURL": "https://cchain.explorer.avax-test.network",
   "shortName": "Fuji",
   "chainId": 43113,
-  "networkId": 1
+  "networkId": 1,
+  "explorers": [
+    {
+      "name": "snowtrace",
+      "url": "https://testnet.snowtrace.io/",
+      "standard": "EIP3091"
+    }
+  ]
 }
diff --git a/_data/chains/eip155-43114.json b/_data/chains/eip155-43114.json
index 00190f22..fbfd2614 100644
--- a/_data/chains/eip155-43114.json
+++ b/_data/chains/eip155-43114.json
@@ -16,9 +16,11 @@
   "chainId": 43114,
   "networkId": 43114,
   "slip44": 9000,
-  "explorers": [{
-    "name": "blockscout",
-    "url": "https://cchain.explorer.avax.network",
-    "standard": "none"
-  }]
+  "explorers": [
+    {
+      "name": "snowtrace",
+      "url": "https://snowtrace.io/",
+      "standard": "EIP3091"
+    }
+  ]
 }
diff --git a/_data/chains/eip155-60000.json b/_data/chains/eip155-60000.json
new file mode 100644
index 00000000..1d398fbb
--- /dev/null
+++ b/_data/chains/eip155-60000.json
@@ -0,0 +1,25 @@
+{
+    "name": "Thinkium Testnet Chain 0",
+    "chain": "Thinkium",
+    "network": "testnet",
+    "rpc": [
+        "https://test.thinkiumrpc.net/"
+    ],
+    "faucets": [
+        "https://www.thinkiumdev.net/faucet"
+    ],
+    "nativeCurrency": {
+        "name": "TKM",
+        "symbol": "TKM",
+        "decimals": 18
+    },
+    "infoURL": "https://thinkium.net/",
+    "shortName": "TKM-test0",
+    "chainId": 60000,
+    "networkId": 60000,
+    "explorers": [{
+        "name": "thinkiumscan",
+        "url": "https://test0.thinkiumscan.net/",
+        "standard": "EIP3091"
+    }]
+}
\ No newline at end of file
diff --git a/_data/chains/eip155-60001.json b/_data/chains/eip155-60001.json
new file mode 100644
index 00000000..14f4bbcd
--- /dev/null
+++ b/_data/chains/eip155-60001.json
@@ -0,0 +1,25 @@
+{
+    "name": "Thinkium Testnet Chain 1",
+    "chain": "Thinkium",
+    "network": "testnet",
+    "rpc": [
+        "https://test1.thinkiumrpc.net/"
+    ],
+    "faucets": [
+        "https://www.thinkiumdev.net/faucet"
+    ],
+    "nativeCurrency": {
+        "name": "TKM",
+        "symbol": "TKM",
+        "decimals": 18
+    },
+    "infoURL": "https://thinkium.net/",
+    "shortName": "TKM-test1",
+    "chainId": 60001,
+    "networkId": 60001,
+    "explorers": [{
+        "name": "thinkiumscan",
+        "url": "https://test1.thinkiumscan.net/",
+        "standard": "EIP3091"
+    }]
+}
\ No newline at end of file
diff --git a/_data/chains/eip155-60002.json b/_data/chains/eip155-60002.json
new file mode 100644
index 00000000..70dcfdb3
--- /dev/null
+++ b/_data/chains/eip155-60002.json
@@ -0,0 +1,25 @@
+{
+    "name": "Thinkium Testnet Chain 2",
+    "chain": "Thinkium",
+    "network": "testnet",
+    "rpc": [
+        "https://test2.thinkiumrpc.net/"
+    ],
+    "faucets": [
+        "https://www.thinkiumdev.net/faucet"
+    ],
+    "nativeCurrency": {
+        "name": "TKM",
+        "symbol": "TKM",
+        "decimals": 18
+    },
+    "infoURL": "https://thinkium.net/",
+    "shortName": "TKM-test2",
+    "chainId": 60002,
+    "networkId": 60002,
+    "explorers": [{
+        "name": "thinkiumscan",
+        "url": "https://test2.thinkiumscan.net/",
+        "standard": "EIP3091"
+    }]
+}
\ No newline at end of file
diff --git a/_data/chains/eip155-60103.json b/_data/chains/eip155-60103.json
new file mode 100644
index 00000000..882b532e
--- /dev/null
+++ b/_data/chains/eip155-60103.json
@@ -0,0 +1,25 @@
+{
+    "name": "Thinkium Testnet Chain 103",
+    "chain": "Thinkium",
+    "network": "testnet",
+    "rpc": [
+        "https://test103.thinkiumrpc.net/"
+    ],
+    "faucets": [
+        "https://www.thinkiumdev.net/faucet"
+    ],
+    "nativeCurrency": {
+        "name": "TKM",
+        "symbol": "TKM",
+        "decimals": 18
+    },
+    "infoURL": "https://thinkium.net/",
+    "shortName": "TKM-test103",
+    "chainId": 60103,
+    "networkId": 60103,
+    "explorers": [{
+        "name": "thinkiumscan",
+        "url": "https://test103.thinkiumscan.net",
+        "standard": "EIP3091"
+    }]
+}
\ No newline at end of file
diff --git a/_data/chains/eip155-70000.json b/_data/chains/eip155-70000.json
new file mode 100644
index 00000000..d6739e52
--- /dev/null
+++ b/_data/chains/eip155-70000.json
@@ -0,0 +1,23 @@
+{
+    "name": "Thinkium Mainnet Chain 0",
+    "chain": "Thinkium",
+    "network": "mainnet",
+    "rpc": [
+        "https://proxy.thinkiumrpc.net/"
+    ],
+    "faucets": [],
+    "nativeCurrency": {
+        "name": "TKM",
+        "symbol": "TKM",
+        "decimals": 18
+    },
+    "infoURL": "https://thinkium.net/",
+    "shortName": "TKM0",
+    "chainId": 70000,
+    "networkId": 70000,
+    "explorers": [{
+        "name": "thinkiumscan",
+        "url": "https://chain0.thinkiumscan.net/",
+        "standard": "EIP3091"
+    }]
+}
\ No newline at end of file
diff --git a/_data/chains/eip155-70001.json b/_data/chains/eip155-70001.json
new file mode 100644
index 00000000..b887132f
--- /dev/null
+++ b/_data/chains/eip155-70001.json
@@ -0,0 +1,23 @@
+{
+    "name": "Thinkium Mainnet Chain 1",
+    "chain": "Thinkium",
+    "network": "mainnet",
+    "rpc": [
+        "https://proxy1.thinkiumrpc.net/"
+    ],
+    "faucets": [],
+    "nativeCurrency": {
+        "name": "TKM",
+        "symbol": "TKM",
+        "decimals": 18
+    },
+    "infoURL": "https://thinkium.net/",
+    "shortName": "TKM1",
+    "chainId": 70001,
+    "networkId": 70001,
+    "explorers": [{
+        "name": "thinkiumscan",
+        "url": "https://chain1.thinkiumscan.net/",
+        "standard": "EIP3091"
+    }]
+}
\ No newline at end of file
diff --git a/_data/chains/eip155-70002.json b/_data/chains/eip155-70002.json
new file mode 100644
index 00000000..da9569b1
--- /dev/null
+++ b/_data/chains/eip155-70002.json
@@ -0,0 +1,23 @@
+{
+    "name": "Thinkium Mainnet Chain 2",
+    "chain": "Thinkium",
+    "network": "mainnet",
+    "rpc": [
+        "https://proxy2.thinkiumrpc.net/"
+    ],
+    "faucets": [],
+    "nativeCurrency": {
+        "name": "TKM",
+        "symbol": "TKM",
+        "decimals": 18
+    },
+    "infoURL": "https://thinkium.net/",
+    "shortName": "TKM2",
+    "chainId": 70002,
+    "networkId": 70002,
+    "explorers": [{
+        "name": "thinkiumscan",
+        "url": "https://chain2.thinkiumscan.net/",
+        "standard": "EIP3091"
+    }]
+}
\ No newline at end of file
diff --git a/_data/chains/eip155-70103.json b/_data/chains/eip155-70103.json
new file mode 100644
index 00000000..a63908f7
--- /dev/null
+++ b/_data/chains/eip155-70103.json
@@ -0,0 +1,23 @@
+{
+    "name": "Thinkium Mainnet Chain 103",
+    "chain": "Thinkium",
+    "network": "mainnet",
+    "rpc": [
+        "https://proxy103.thinkiumrpc.net/"
+    ],
+    "faucets": [],
+    "nativeCurrency": {
+        "name": "TKM",
+        "symbol": "TKM",
+        "decimals": 18
+    },
+    "infoURL": "https://thinkium.net/",
+    "shortName": "TKM103",
+    "chainId": 70103,
+    "networkId": 70103,
+    "explorers": [{
+        "name": "thinkiumscan",
+        "url": "https://chain103.thinkiumscan.net/",
+        "standard": "EIP3091"
+    }]
+}
\ No newline at end of file
diff --git a/_data/chains/eip155-80001.json b/_data/chains/eip155-80001.json
index 3789d8e9..7d73f909 100644
--- a/_data/chains/eip155-80001.json
+++ b/_data/chains/eip155-80001.json
@@ -3,7 +3,6 @@
     "chain": "Polygon",
     "network": "testnet",
     "rpc": [
-        "https://rpc-mumbai.matic.today",
         "https://matic-mumbai.chainstacklabs.com",
         "https://rpc-mumbai.maticvigil.com",
         "https://matic-testnet-archive-rpc.bwarelabs.com"
diff --git a/_data/chains/eip155-82.json b/_data/chains/eip155-82.json
index 8fdf7d9e..ac5a54a6 100644
--- a/_data/chains/eip155-82.json
+++ b/_data/chains/eip155-82.json
@@ -5,7 +5,9 @@
   "rpc": [
     "https://rpc.meter.io"
   ],
-  "faucets": [],
+  "faucets": [
+    "https://faucet.meter.io"
+  ],
   "nativeCurrency": {
     "name": "Meter",
     "symbol": "MTR",
@@ -14,6 +16,11 @@
   "infoURL": "https://www.meter.io",
   "shortName": "Meter",
   "chainId": 82,
-  "networkId": 82
+  "networkId": 82,
+  "explorers": [{
+    "name": "Meter Mainnet Scan",
+    "url": "https://scan.meter.io",
+    "standard": "EIP3091"
+  }]
 }
 
diff --git a/_data/chains/eip155-83.json b/_data/chains/eip155-83.json
new file mode 100644
index 00000000..b112c7b4
--- /dev/null
+++ b/_data/chains/eip155-83.json
@@ -0,0 +1,26 @@
+{
+  "name": "Meter Testnet",
+  "chain": "METER Testnet",
+  "network": "testnet",
+  "rpc": [
+    "https://rpctest.meter.io"
+  ],
+  "faucets": [
+    "https://faucet-warringstakes.meter.io"
+  ],
+  "nativeCurrency": {
+    "name": "Meter",
+    "symbol": "MTR",
+    "decimals": 18
+  },
+  "infoURL": "https://www.meter.io",
+  "shortName": "MeterTest",
+  "chainId": 83,
+  "networkId": 83,
+  "explorers": [{
+    "name": "Meter Testnet Scan",
+    "url": "https://scan-warringstakes.meter.io",
+    "standard": "EIP3091"
+  }]
+}
+