Differences from Ethereum

Parameter	Ethereum	Taiko	Reasoning
Block gas limit	30,000,000 gas	240,000,000 gas	Currently in Raiko, memory use scales linearly with block size both in the host (witness generation) and in the guest (memory use inside the VM/program being proven) so we set the block gas limit to 240m gas.
Block gas target	15,000,000 gas	60,000,000 gas (per L1 block)	Assuming an L2 block time of ~3 seconds will have a ~15,000,000 gas target.
Block time	12 seconds	12-20~ seconds	Currently, we are the only block proposer. Once we move to decentralized proposing / achieve preconfirmations, this value is expected to decrease.