Block Time

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Chain
Block time
Notes
Caldera Chains
~10-100ms
Depends on transaction throughput, can be arbitrarily low
Arbitrum
~10-100ms
Depends on transaction throughput, can be arbitrarily low
Optimism
~10-100ms
Depends on transaction throughput, can be arbitrarily low
Ethereum
12s
​
Polygon
2s
​
Binance Smart Chain
5s
​
Avalanche
3s
​
Solana
400-600ms
​
Tron
3s
​
Fantom
1-3s
​