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All Taiko Hekla Node Runners: Protocol upgrade on Feb 1st, upgrade needed. Please ensure your nodes are using the software tags listed in the announcement! Click here for more info

Differences from Ethereum

ParameterEthereumTaiko AlethiaReasoning
Block gas limit30,000,000 gas240,000,000 gasCurrently 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 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 seconds12-20~ secondsCurrently, we are the only block proposer. Once we move to decentralized proposing / achieve preconfirmations, this value is expected to decrease.