Block Time

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Chain	Block time	Notes
Loot Chain	~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	​