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Differences from Ethereum

ParameterEthereum (Holesky)Taiko (Hekla)Reasoning
Block gas limit30,000,000 gas15,000,000 gasCircuit constraint limitation in PSE circuits; addressed by zkVM, chunking, etc.
Block gas target15,000,000 gas60,000,000 gas (per L1 block)Assuming an L2 block time of ~3 seconds will have a ~15,000,000 gas target.
Block time12 seconds~3 secondsAllow for greater throughput on L2 as it does not threaten the node decentralization the same as on the consensus layer.