checkpoint

Ethereum achieves finality by justifying and finalising checkpoints every two epochs.以太坊通过每两个纪元对检查点进行论证和最终确认来达到最终性。

Checkpoints allow the network to agree on the canonical chain without processing every individual block.检查点允许网络在无需处理每个单独区块的情况下就规范链达成一致。