diff --git a/chains/arbitrum-goerli-testnet.json b/chains/arbitrum-goerli-testnet.json
index 13c51165..528841fe 100644
--- a/chains/arbitrum-goerli-testnet.json
+++ b/chains/arbitrum-goerli-testnet.json
@@ -1,6 +1,6 @@
 {
   "alias": "arbitrum-goerli-testnet",
-  "blockTimeMs": 641,
+  "blockTimeMs": 1428,
   "decimals": 18,
   "explorer": {
     "api": {
diff --git a/chains/arbitrum-nova.json b/chains/arbitrum-nova.json
index 297845d6..1d038087 100644
--- a/chains/arbitrum-nova.json
+++ b/chains/arbitrum-nova.json
@@ -1,6 +1,6 @@
 {
   "alias": "arbitrum-nova",
-  "blockTimeMs": 862,
+  "blockTimeMs": 317,
   "decimals": 18,
   "explorer": {
     "api": {
diff --git a/chains/arbitrum.json b/chains/arbitrum.json
index 84d476b3..0c74c04e 100644
--- a/chains/arbitrum.json
+++ b/chains/arbitrum.json
@@ -1,6 +1,6 @@
 {
   "alias": "arbitrum",
-  "blockTimeMs": 265,
+  "blockTimeMs": 257,
   "decimals": 18,
   "explorer": {
     "api": {
diff --git a/chains/aurora-testnet.json b/chains/aurora-testnet.json
index 9fa60ae2..1736d682 100644
--- a/chains/aurora-testnet.json
+++ b/chains/aurora-testnet.json
@@ -1,6 +1,6 @@
 {
   "alias": "aurora-testnet",
-  "blockTimeMs": 988,
+  "blockTimeMs": 782,
   "decimals": 18,
   "explorer": {
     "api": {
diff --git a/chains/aurora.json b/chains/aurora.json
index 39651b0d..c3c07861 100644
--- a/chains/aurora.json
+++ b/chains/aurora.json
@@ -1,6 +1,6 @@
 {
   "alias": "aurora",
-  "blockTimeMs": 1135,
+  "blockTimeMs": 1069,
   "decimals": 18,
   "explorer": {
     "api": {
diff --git a/chains/avalanche-testnet.json b/chains/avalanche-testnet.json
index 67901802..60d2c04d 100644
--- a/chains/avalanche-testnet.json
+++ b/chains/avalanche-testnet.json
@@ -1,6 +1,6 @@
 {
   "alias": "avalanche-testnet",
-  "blockTimeMs": 2398,
+  "blockTimeMs": 3994,
   "decimals": 18,
   "explorer": {
     "api": {
diff --git a/chains/avalanche.json b/chains/avalanche.json
index 5988b146..1c2813ec 100644
--- a/chains/avalanche.json
+++ b/chains/avalanche.json
@@ -1,6 +1,6 @@
 {
   "alias": "avalanche",
-  "blockTimeMs": 2036,
+  "blockTimeMs": 2050,
   "decimals": 18,
   "explorer": {
     "api": {
diff --git a/chains/boba-bnb.json b/chains/boba-bnb.json
index b5342473..5b6d0048 100644
--- a/chains/boba-bnb.json
+++ b/chains/boba-bnb.json
@@ -1,6 +1,6 @@
 {
   "alias": "boba-bnb",
-  "blockTimeMs": 636,
+  "blockTimeMs": 1206,
   "decimals": 18,
   "explorer": {
     "api": {
diff --git a/chains/boba-ethereum.json b/chains/boba-ethereum.json
index 9ec62211..1abab830 100644
--- a/chains/boba-ethereum.json
+++ b/chains/boba-ethereum.json
@@ -1,6 +1,6 @@
 {
   "alias": "boba-ethereum",
-  "blockTimeMs": 86994,
+  "blockTimeMs": 124341,
   "decimals": 18,
   "explorer": {
     "api": {
diff --git a/chains/bsc-testnet.json b/chains/bsc-testnet.json
index cfd473cd..aca25f03 100644
--- a/chains/bsc-testnet.json
+++ b/chains/bsc-testnet.json
@@ -1,6 +1,6 @@
 {
   "alias": "bsc-testnet",
-  "blockTimeMs": 3002,
+  "blockTimeMs": 3000,
   "decimals": 18,
   "explorer": {
     "api": {
diff --git a/chains/bsc.json b/chains/bsc.json
index 1e468e45..db2e3465 100644
--- a/chains/bsc.json
+++ b/chains/bsc.json
@@ -1,6 +1,6 @@
 {
   "alias": "bsc",
-  "blockTimeMs": 3009,
+  "blockTimeMs": 3007,
   "decimals": 18,
   "explorer": {
     "api": {
diff --git a/chains/cronos-testnet.json b/chains/cronos-testnet.json
index 6c432948..c8d07594 100644
--- a/chains/cronos-testnet.json
+++ b/chains/cronos-testnet.json
@@ -1,6 +1,6 @@
 {
   "alias": "cronos-testnet",
-  "blockTimeMs": 2446,
+  "blockTimeMs": 2463,
   "decimals": 18,
   "explorer": {
     "api": {
diff --git a/chains/ethereum-goerli-testnet.json b/chains/ethereum-goerli-testnet.json
index a8c32995..d8c7022f 100644
--- a/chains/ethereum-goerli-testnet.json
+++ b/chains/ethereum-goerli-testnet.json
@@ -1,6 +1,6 @@
 {
   "alias": "ethereum-goerli-testnet",
-  "blockTimeMs": 15140,
+  "blockTimeMs": 15997,
   "decimals": 18,
   "explorer": {
     "api": {
diff --git a/chains/ethereum-sepolia-testnet.json b/chains/ethereum-sepolia-testnet.json
index 22b206a6..db5100f7 100644
--- a/chains/ethereum-sepolia-testnet.json
+++ b/chains/ethereum-sepolia-testnet.json
@@ -1,6 +1,6 @@
 {
   "alias": "ethereum-sepolia-testnet",
-  "blockTimeMs": 12982,
+  "blockTimeMs": 13578,
   "decimals": 18,
   "explorer": {
     "api": {
diff --git a/chains/ethereum.json b/chains/ethereum.json
index afff7c46..fa39bb19 100644
--- a/chains/ethereum.json
+++ b/chains/ethereum.json
@@ -17,7 +17,7 @@
   "providers": [
     {
       "alias": "default",
-      "rpcUrl": "https://eth.llamarpc.com"
+      "rpcUrl": "https://cloudflare-eth.com"
     },
     {
       "alias": "reblok",
diff --git a/chains/fantom-testnet.json b/chains/fantom-testnet.json
index 8d92bd03..95219239 100644
--- a/chains/fantom-testnet.json
+++ b/chains/fantom-testnet.json
@@ -1,6 +1,6 @@
 {
   "alias": "fantom-testnet",
-  "blockTimeMs": 1665,
+  "blockTimeMs": 5181,
   "decimals": 18,
   "explorer": {
     "api": {
diff --git a/chains/fantom.json b/chains/fantom.json
index 24001adf..6741bb62 100644
--- a/chains/fantom.json
+++ b/chains/fantom.json
@@ -1,6 +1,6 @@
 {
   "alias": "fantom",
-  "blockTimeMs": 1636,
+  "blockTimeMs": 1761,
   "decimals": 18,
   "explorer": {
     "api": {
diff --git a/chains/gnosis-testnet.json b/chains/gnosis-testnet.json
index 948d9c25..84b5032e 100644
--- a/chains/gnosis-testnet.json
+++ b/chains/gnosis-testnet.json
@@ -1,6 +1,6 @@
 {
   "alias": "gnosis-testnet",
-  "blockTimeMs": 5015,
+  "blockTimeMs": 6321,
   "decimals": 18,
   "explorer": {
     "api": {
diff --git a/chains/gnosis.json b/chains/gnosis.json
index ab38076b..8b439415 100644
--- a/chains/gnosis.json
+++ b/chains/gnosis.json
@@ -1,6 +1,6 @@
 {
   "alias": "gnosis",
-  "blockTimeMs": 5244,
+  "blockTimeMs": 5335,
   "decimals": 18,
   "explorer": {
     "api": {
diff --git a/chains/godwoken-testnet.json b/chains/godwoken-testnet.json
index e9361f88..cd99a381 100644
--- a/chains/godwoken-testnet.json
+++ b/chains/godwoken-testnet.json
@@ -1,6 +1,6 @@
 {
   "alias": "godwoken-testnet",
-  "blockTimeMs": 8127,
+  "blockTimeMs": 8051,
   "decimals": 18,
   "explorer": {
     "browserUrl": "https://v1.testnet.gwscan.com/"
diff --git a/chains/godwoken.json b/chains/godwoken.json
index 5be033d2..64762ecf 100644
--- a/chains/godwoken.json
+++ b/chains/godwoken.json
@@ -1,6 +1,6 @@
 {
   "alias": "godwoken",
-  "blockTimeMs": 45041,
+  "blockTimeMs": 36981,
   "decimals": 18,
   "explorer": {
     "browserUrl": "https://v1.gwscan.com/"
diff --git a/chains/kava-testnet.json b/chains/kava-testnet.json
index 7408b7e6..f748f2e8 100644
--- a/chains/kava-testnet.json
+++ b/chains/kava-testnet.json
@@ -1,6 +1,6 @@
 {
   "alias": "kava-testnet",
-  "blockTimeMs": 5201,
+  "blockTimeMs": 5178,
   "decimals": 18,
   "explorer": {
     "api": {
diff --git a/chains/lightlink.json b/chains/lightlink.json
index 920e04b3..a53d2566 100644
--- a/chains/lightlink.json
+++ b/chains/lightlink.json
@@ -1,6 +1,6 @@
 {
   "alias": "lightlink",
-  "blockTimeMs": 503,
+  "blockTimeMs": 505,
   "decimals": 18,
   "explorer": {
     "api": {
diff --git a/chains/linea-goerli-testnet.json b/chains/linea-goerli-testnet.json
index df2c5aa3..b75c4945 100644
--- a/chains/linea-goerli-testnet.json
+++ b/chains/linea-goerli-testnet.json
@@ -1,6 +1,6 @@
 {
   "alias": "linea-goerli-testnet",
-  "blockTimeMs": 12099,
+  "blockTimeMs": 4646,
   "decimals": 18,
   "explorer": {
     "api": {
diff --git a/chains/linea.json b/chains/linea.json
index d68e540a..b5108f09 100644
--- a/chains/linea.json
+++ b/chains/linea.json
@@ -1,6 +1,6 @@
 {
   "alias": "linea",
-  "blockTimeMs": 12099,
+  "blockTimeMs": 5491,
   "decimals": 18,
   "explorer": {
     "api": {
diff --git a/chains/mantle-goerli-testnet.json b/chains/mantle-goerli-testnet.json
index 2d42e294..6bb6ca8b 100644
--- a/chains/mantle-goerli-testnet.json
+++ b/chains/mantle-goerli-testnet.json
@@ -1,6 +1,6 @@
 {
   "alias": "mantle-goerli-testnet",
-  "blockTimeMs": 362,
+  "blockTimeMs": 4082,
   "decimals": 18,
   "explorer": {
     "api": {
diff --git a/chains/mantle.json b/chains/mantle.json
index 8587665e..2664c667 100644
--- a/chains/mantle.json
+++ b/chains/mantle.json
@@ -1,6 +1,6 @@
 {
   "alias": "mantle",
-  "blockTimeMs": 362,
+  "blockTimeMs": 374,
   "decimals": 18,
   "explorer": {
     "api": {
diff --git a/chains/metis-goerli-testnet.json b/chains/metis-goerli-testnet.json
index 138d5a2a..e6c4430b 100644
--- a/chains/metis-goerli-testnet.json
+++ b/chains/metis-goerli-testnet.json
@@ -1,6 +1,6 @@
 {
   "alias": "metis-goerli-testnet",
-  "blockTimeMs": 5911,
+  "blockTimeMs": 24528,
   "decimals": 18,
   "explorer": {
     "api": {
diff --git a/chains/metis.json b/chains/metis.json
index 32aa0275..550147ad 100644
--- a/chains/metis.json
+++ b/chains/metis.json
@@ -1,6 +1,6 @@
 {
   "alias": "metis",
-  "blockTimeMs": 2564,
+  "blockTimeMs": 1710,
   "decimals": 18,
   "explorer": {
     "api": {
diff --git a/chains/moonbeam-testnet.json b/chains/moonbeam-testnet.json
index fdd1a167..07c8ca91 100644
--- a/chains/moonbeam-testnet.json
+++ b/chains/moonbeam-testnet.json
@@ -1,6 +1,6 @@
 {
   "alias": "moonbeam-testnet",
-  "blockTimeMs": 13654,
+  "blockTimeMs": 13097,
   "decimals": 18,
   "explorer": {
     "api": {
diff --git a/chains/moonbeam.json b/chains/moonbeam.json
index 729ff723..f4e3a7a4 100644
--- a/chains/moonbeam.json
+++ b/chains/moonbeam.json
@@ -1,6 +1,6 @@
 {
   "alias": "moonbeam",
-  "blockTimeMs": 12233,
+  "blockTimeMs": 12214,
   "decimals": 18,
   "explorer": {
     "api": {
diff --git a/chains/moonriver.json b/chains/moonriver.json
index a59fe49f..8e288ee6 100644
--- a/chains/moonriver.json
+++ b/chains/moonriver.json
@@ -1,6 +1,6 @@
 {
   "alias": "moonriver",
-  "blockTimeMs": 12312,
+  "blockTimeMs": 12955,
   "decimals": 18,
   "explorer": {
     "api": {
diff --git a/chains/polygon-testnet.json b/chains/polygon-testnet.json
index 77c67239..75d8945a 100644
--- a/chains/polygon-testnet.json
+++ b/chains/polygon-testnet.json
@@ -1,6 +1,6 @@
 {
   "alias": "polygon-testnet",
-  "blockTimeMs": 2576,
+  "blockTimeMs": 2451,
   "decimals": 18,
   "explorer": {
     "api": {
diff --git a/chains/polygon-zkevm-goerli-testnet.json b/chains/polygon-zkevm-goerli-testnet.json
index c8ab01d7..799e44ac 100644
--- a/chains/polygon-zkevm-goerli-testnet.json
+++ b/chains/polygon-zkevm-goerli-testnet.json
@@ -1,6 +1,6 @@
 {
   "alias": "polygon-zkevm-goerli-testnet",
-  "blockTimeMs": 6587,
+  "blockTimeMs": 9798,
   "decimals": 18,
   "explorer": {
     "api": {
diff --git a/chains/polygon-zkevm.json b/chains/polygon-zkevm.json
index 6bf82e76..8e6e2f0d 100644
--- a/chains/polygon-zkevm.json
+++ b/chains/polygon-zkevm.json
@@ -1,6 +1,6 @@
 {
   "alias": "polygon-zkevm",
-  "blockTimeMs": 1658,
+  "blockTimeMs": 4061,
   "decimals": 18,
   "explorer": {
     "api": {
diff --git a/chains/polygon.json b/chains/polygon.json
index b6cf6301..7b5c1390 100644
--- a/chains/polygon.json
+++ b/chains/polygon.json
@@ -1,6 +1,6 @@
 {
   "alias": "polygon",
-  "blockTimeMs": 2210,
+  "blockTimeMs": 2279,
   "decimals": 18,
   "explorer": {
     "api": {
diff --git a/chains/rsk-testnet.json b/chains/rsk-testnet.json
index 8fe60aed..61c1f47d 100644
--- a/chains/rsk-testnet.json
+++ b/chains/rsk-testnet.json
@@ -1,6 +1,6 @@
 {
   "alias": "rsk-testnet",
-  "blockTimeMs": 26036,
+  "blockTimeMs": 25116,
   "decimals": 18,
   "explorer": {
     "browserUrl": "https://explorer.testnet.rsk.co/"
diff --git a/chains/rsk.json b/chains/rsk.json
index 6e8c165e..1dd2d8ae 100644
--- a/chains/rsk.json
+++ b/chains/rsk.json
@@ -1,6 +1,6 @@
 {
   "alias": "rsk",
-  "blockTimeMs": 30946,
+  "blockTimeMs": 29805,
   "decimals": 18,
   "explorer": {
     "browserUrl": "https://explorer.rsk.co/"
diff --git a/chains/scroll-goerli-testnet.json b/chains/scroll-goerli-testnet.json
index 2f8ebe86..ff48e6f1 100644
--- a/chains/scroll-goerli-testnet.json
+++ b/chains/scroll-goerli-testnet.json
@@ -1,6 +1,6 @@
 {
   "alias": "scroll-goerli-testnet",
-  "blockTimeMs": 3002,
+  "blockTimeMs": 28244,
   "decimals": 18,
   "explorer": {
     "api": {
diff --git a/chains/sx.json b/chains/sx.json
index 227583ae..19e9154a 100644
--- a/chains/sx.json
+++ b/chains/sx.json
@@ -1,6 +1,6 @@
 {
   "alias": "sx",
-  "blockTimeMs": 2035,
+  "blockTimeMs": 2042,
   "decimals": 18,
   "explorer": {
     "api": {
diff --git a/chains/zksync-goerli-testnet.json b/chains/zksync-goerli-testnet.json
index d05a8313..225045fe 100644
--- a/chains/zksync-goerli-testnet.json
+++ b/chains/zksync-goerli-testnet.json
@@ -1,6 +1,6 @@
 {
   "alias": "zksync-goerli-testnet",
-  "blockTimeMs": 1069,
+  "blockTimeMs": 2732,
   "decimals": 18,
   "explorer": {
     "browserUrl": "https://goerli.explorer.zksync.io/"
diff --git a/chains/zksync.json b/chains/zksync.json
index d3d00342..e1a1af30 100644
--- a/chains/zksync.json
+++ b/chains/zksync.json
@@ -1,6 +1,6 @@
 {
   "alias": "zksync",
-  "blockTimeMs": 1020,
+  "blockTimeMs": 1046,
   "decimals": 18,
   "explorer": {
     "browserUrl": "https://explorer.zksync.io/"
diff --git a/package.json b/package.json
index 8d458bb1..d1f3202a 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@phase21/chains",
   "license": "MIT",
-  "version": "0.5.0",
+  "version": "4.5.1",
   "author": "API3 DAO",
   "private": false,
   "main": "./dist/index.js",
diff --git a/scripts/calculate-average-block-times.ts b/scripts/calculate-average-block-times.ts
index 3ff86e3d..32cdcebb 100644
--- a/scripts/calculate-average-block-times.ts
+++ b/scripts/calculate-average-block-times.ts
@@ -40,7 +40,7 @@ async function calculateAverageBlockTimes(): Promise<void> {
       if (blockTimeMs) {
         const filePath = path.join(__dirname, `../chains/${chain.alias}.json`);
         const fileContent = JSON.parse(fs.readFileSync(filePath, 'utf8'));
-        fs.writeFileSync(filePath, JSON.stringify({ ...fileContent, blockTimeMs }, null, 2));
+        fs.writeFileSync(filePath, JSON.stringify({ ...fileContent, blockTimeMs }, null, 2) + '\n');
       }
 
       return { alias: chain.alias, blockTimeMs };
diff --git a/src/generated/chains.ts b/src/generated/chains.ts
index 16f97af7..f81599d4 100644
--- a/src/generated/chains.ts
+++ b/src/generated/chains.ts
@@ -10,7 +10,7 @@ import { Chain } from '../types';
 export const CHAINS: Chain[] = [
   {
     alias: 'arbitrum-goerli-testnet',
-    blockTimeMs: 641,
+    blockTimeMs: 1428,
     decimals: 18,
     explorer: {
       api: {
@@ -31,7 +31,7 @@ export const CHAINS: Chain[] = [
   },
   {
     alias: 'arbitrum-nova',
-    blockTimeMs: 862,
+    blockTimeMs: 317,
     decimals: 18,
     explorer: {
       api: { key: { required: true }, url: 'https://api-nova.arbiscan.io/api' },
@@ -45,7 +45,7 @@ export const CHAINS: Chain[] = [
   },
   {
     alias: 'arbitrum',
-    blockTimeMs: 265,
+    blockTimeMs: 257,
     decimals: 18,
     explorer: {
       api: { key: { hardhatEtherscanAlias: 'arbitrumOne', required: true }, url: 'https://api.arbiscan.io/api' },
@@ -64,7 +64,7 @@ export const CHAINS: Chain[] = [
   },
   {
     alias: 'aurora-testnet',
-    blockTimeMs: 988,
+    blockTimeMs: 782,
     decimals: 18,
     explorer: {
       api: {
@@ -81,7 +81,7 @@ export const CHAINS: Chain[] = [
   },
   {
     alias: 'aurora',
-    blockTimeMs: 1135,
+    blockTimeMs: 1069,
     decimals: 18,
     explorer: {
       api: {
@@ -98,7 +98,7 @@ export const CHAINS: Chain[] = [
   },
   {
     alias: 'avalanche-testnet',
-    blockTimeMs: 2398,
+    blockTimeMs: 3994,
     decimals: 18,
     explorer: {
       api: {
@@ -119,7 +119,7 @@ export const CHAINS: Chain[] = [
   },
   {
     alias: 'avalanche',
-    blockTimeMs: 2036,
+    blockTimeMs: 2050,
     decimals: 18,
     explorer: {
       api: {
@@ -192,7 +192,7 @@ export const CHAINS: Chain[] = [
   },
   {
     alias: 'boba-bnb',
-    blockTimeMs: 636,
+    blockTimeMs: 1206,
     decimals: 18,
     explorer: {
       api: { key: { required: false }, url: 'https://blockexplorer.bnb.boba.network/api' },
@@ -206,7 +206,7 @@ export const CHAINS: Chain[] = [
   },
   {
     alias: 'boba-ethereum',
-    blockTimeMs: 86994,
+    blockTimeMs: 124341,
     decimals: 18,
     explorer: {
       api: { key: { required: true }, url: 'https://api.bobascan.com/api' },
@@ -220,7 +220,7 @@ export const CHAINS: Chain[] = [
   },
   {
     alias: 'bsc-testnet',
-    blockTimeMs: 3002,
+    blockTimeMs: 3000,
     decimals: 18,
     explorer: {
       api: { key: { hardhatEtherscanAlias: 'bscTestnet', required: true }, url: 'https://api-testnet.bscscan.com/api' },
@@ -238,7 +238,7 @@ export const CHAINS: Chain[] = [
   },
   {
     alias: 'bsc',
-    blockTimeMs: 3009,
+    blockTimeMs: 3007,
     decimals: 18,
     explorer: {
       api: { key: { hardhatEtherscanAlias: 'bsc', required: true }, url: 'https://api.bscscan.com/api' },
@@ -257,7 +257,7 @@ export const CHAINS: Chain[] = [
   },
   {
     alias: 'cronos-testnet',
-    blockTimeMs: 2446,
+    blockTimeMs: 2463,
     decimals: 18,
     explorer: {
       api: { key: { required: false }, url: 'https://cronos.org/explorer/testnet3/api' },
@@ -271,7 +271,7 @@ export const CHAINS: Chain[] = [
   },
   {
     alias: 'ethereum-goerli-testnet',
-    blockTimeMs: 15140,
+    blockTimeMs: 15997,
     decimals: 18,
     explorer: {
       api: { key: { hardhatEtherscanAlias: 'goerli', required: true }, url: 'https://api-goerli.etherscan.io/api' },
@@ -289,7 +289,7 @@ export const CHAINS: Chain[] = [
   },
   {
     alias: 'ethereum-sepolia-testnet',
-    blockTimeMs: 12982,
+    blockTimeMs: 13578,
     decimals: 18,
     explorer: {
       api: { key: { hardhatEtherscanAlias: 'sepolia', required: true }, url: 'https://api-sepolia.etherscan.io/api' },
@@ -316,7 +316,7 @@ export const CHAINS: Chain[] = [
     id: '1',
     name: 'Ethereum',
     providers: [
-      { alias: 'default', rpcUrl: 'https://eth.llamarpc.com' },
+      { alias: 'default', rpcUrl: 'https://cloudflare-eth.com' },
       { alias: 'reblok', homepageUrl: 'https://reblok.io' },
       { alias: 'quicknode', homepageUrl: 'https://quicknode.com' },
       { alias: 'drpc', homepageUrl: 'https://drpc.org/' },
@@ -326,7 +326,7 @@ export const CHAINS: Chain[] = [
   },
   {
     alias: 'fantom-testnet',
-    blockTimeMs: 1665,
+    blockTimeMs: 5181,
     decimals: 18,
     explorer: {
       api: { key: { hardhatEtherscanAlias: 'ftmTestnet', required: true }, url: 'https://api-testnet.ftmscan.com/api' },
@@ -343,7 +343,7 @@ export const CHAINS: Chain[] = [
   },
   {
     alias: 'fantom',
-    blockTimeMs: 1636,
+    blockTimeMs: 1761,
     decimals: 18,
     explorer: {
       api: { key: { hardhatEtherscanAlias: 'opera', required: true }, url: 'https://api.ftmscan.com/api' },
@@ -362,7 +362,7 @@ export const CHAINS: Chain[] = [
   },
   {
     alias: 'gnosis-testnet',
-    blockTimeMs: 5015,
+    blockTimeMs: 6321,
     decimals: 18,
     explorer: {
       api: {
@@ -382,7 +382,7 @@ export const CHAINS: Chain[] = [
   },
   {
     alias: 'gnosis',
-    blockTimeMs: 5244,
+    blockTimeMs: 5335,
     decimals: 18,
     explorer: {
       api: { key: { hardhatEtherscanAlias: 'gnosis', required: true }, url: 'https://api.gnosisscan.io/api' },
@@ -401,7 +401,7 @@ export const CHAINS: Chain[] = [
   },
   {
     alias: 'godwoken-testnet',
-    blockTimeMs: 8127,
+    blockTimeMs: 8051,
     decimals: 18,
     explorer: { browserUrl: 'https://v1.testnet.gwscan.com/' },
     id: '71401',
@@ -412,7 +412,7 @@ export const CHAINS: Chain[] = [
   },
   {
     alias: 'godwoken',
-    blockTimeMs: 45041,
+    blockTimeMs: 36981,
     decimals: 18,
     explorer: { browserUrl: 'https://v1.gwscan.com/' },
     id: '71402',
@@ -423,7 +423,7 @@ export const CHAINS: Chain[] = [
   },
   {
     alias: 'kava-testnet',
-    blockTimeMs: 5201,
+    blockTimeMs: 5178,
     decimals: 18,
     explorer: {
       api: { key: { required: false }, url: 'https://testnet.kavascan.com/api' },
@@ -470,7 +470,7 @@ export const CHAINS: Chain[] = [
   },
   {
     alias: 'lightlink',
-    blockTimeMs: 503,
+    blockTimeMs: 505,
     decimals: 18,
     explorer: {
       api: { key: { required: true }, url: 'https://phoenix.lightlink.io/api' },
@@ -485,7 +485,7 @@ export const CHAINS: Chain[] = [
   },
   {
     alias: 'linea-goerli-testnet',
-    blockTimeMs: 12099,
+    blockTimeMs: 4646,
     decimals: 18,
     explorer: {
       api: { key: { required: true }, url: 'https://api-testnet.lineascan.build/api' },
@@ -503,7 +503,7 @@ export const CHAINS: Chain[] = [
   },
   {
     alias: 'linea',
-    blockTimeMs: 12099,
+    blockTimeMs: 5491,
     decimals: 18,
     explorer: {
       api: { key: { required: true }, url: 'https://api.lineascan.build/api' },
@@ -521,7 +521,7 @@ export const CHAINS: Chain[] = [
   },
   {
     alias: 'mantle-goerli-testnet',
-    blockTimeMs: 362,
+    blockTimeMs: 4082,
     decimals: 18,
     explorer: {
       api: { key: { required: false }, url: 'https://explorer.testnet.mantle.xyz/api' },
@@ -535,7 +535,7 @@ export const CHAINS: Chain[] = [
   },
   {
     alias: 'mantle',
-    blockTimeMs: 362,
+    blockTimeMs: 374,
     decimals: 18,
     explorer: {
       api: { key: { required: false }, url: 'https://explorer.mantle.xyz/api' },
@@ -553,7 +553,7 @@ export const CHAINS: Chain[] = [
   },
   {
     alias: 'metis-goerli-testnet',
-    blockTimeMs: 5911,
+    blockTimeMs: 24528,
     decimals: 18,
     explorer: {
       api: { key: { required: false }, url: 'https://goerli.explorer.metisdevops.link/api' },
@@ -567,7 +567,7 @@ export const CHAINS: Chain[] = [
   },
   {
     alias: 'metis',
-    blockTimeMs: 2564,
+    blockTimeMs: 1710,
     decimals: 18,
     explorer: {
       api: { key: { required: false }, url: 'https://andromeda-explorer.metis.io/api' },
@@ -612,7 +612,7 @@ export const CHAINS: Chain[] = [
   },
   {
     alias: 'moonbeam-testnet',
-    blockTimeMs: 13654,
+    blockTimeMs: 13097,
     decimals: 18,
     explorer: {
       api: {
@@ -629,7 +629,7 @@ export const CHAINS: Chain[] = [
   },
   {
     alias: 'moonbeam',
-    blockTimeMs: 12233,
+    blockTimeMs: 12214,
     decimals: 18,
     explorer: {
       api: { key: { hardhatEtherscanAlias: 'moonbeam', required: true }, url: 'https://api-moonbeam.moonscan.io/api' },
@@ -647,7 +647,7 @@ export const CHAINS: Chain[] = [
   },
   {
     alias: 'moonriver',
-    blockTimeMs: 12312,
+    blockTimeMs: 12955,
     decimals: 18,
     explorer: {
       api: {
@@ -727,7 +727,7 @@ export const CHAINS: Chain[] = [
   },
   {
     alias: 'polygon-testnet',
-    blockTimeMs: 2576,
+    blockTimeMs: 2451,
     decimals: 18,
     explorer: {
       api: {
@@ -748,7 +748,7 @@ export const CHAINS: Chain[] = [
   },
   {
     alias: 'polygon-zkevm-goerli-testnet',
-    blockTimeMs: 6587,
+    blockTimeMs: 9798,
     decimals: 18,
     explorer: {
       api: { key: { required: true }, url: 'https://api-testnet-zkevm.polygonscan.com/api' },
@@ -765,7 +765,7 @@ export const CHAINS: Chain[] = [
   },
   {
     alias: 'polygon-zkevm',
-    blockTimeMs: 1658,
+    blockTimeMs: 4061,
     decimals: 18,
     explorer: {
       api: { key: { required: true }, url: 'https://api-zkevm.polygonscan.com/api' },
@@ -784,7 +784,7 @@ export const CHAINS: Chain[] = [
   },
   {
     alias: 'polygon',
-    blockTimeMs: 2210,
+    blockTimeMs: 2279,
     decimals: 18,
     explorer: {
       api: { key: { hardhatEtherscanAlias: 'polygon', required: true }, url: 'https://api.polygonscan.com/api' },
@@ -803,7 +803,7 @@ export const CHAINS: Chain[] = [
   },
   {
     alias: 'rsk-testnet',
-    blockTimeMs: 26036,
+    blockTimeMs: 25116,
     decimals: 18,
     explorer: { browserUrl: 'https://explorer.testnet.rsk.co/' },
     id: '31',
@@ -817,7 +817,7 @@ export const CHAINS: Chain[] = [
   },
   {
     alias: 'rsk',
-    blockTimeMs: 30946,
+    blockTimeMs: 29805,
     decimals: 18,
     explorer: { browserUrl: 'https://explorer.rsk.co/' },
     id: '30',
@@ -831,7 +831,7 @@ export const CHAINS: Chain[] = [
   },
   {
     alias: 'scroll-goerli-testnet',
-    blockTimeMs: 3002,
+    blockTimeMs: 28244,
     decimals: 18,
     explorer: {
       api: { key: { required: false }, url: 'https://blockscout.scroll.io/api' },
@@ -859,7 +859,7 @@ export const CHAINS: Chain[] = [
   },
   {
     alias: 'sx',
-    blockTimeMs: 2035,
+    blockTimeMs: 2042,
     decimals: 18,
     explorer: {
       api: { key: { required: false }, url: 'https://explorer.sx.technology/api' },
@@ -873,7 +873,7 @@ export const CHAINS: Chain[] = [
   },
   {
     alias: 'zksync-goerli-testnet',
-    blockTimeMs: 1069,
+    blockTimeMs: 2732,
     decimals: 18,
     explorer: { browserUrl: 'https://goerli.explorer.zksync.io/' },
     hardhatConfigOverrides: {
@@ -891,7 +891,7 @@ export const CHAINS: Chain[] = [
   },
   {
     alias: 'zksync',
-    blockTimeMs: 1020,
+    blockTimeMs: 1046,
     decimals: 18,
     explorer: { browserUrl: 'https://explorer.zksync.io/' },
     hardhatConfigOverrides: {