5. I should also add that the core *idea* of sharding has survived unscathed.
Blockchain 1.0: each node downloads everything, have consensus
BitTorrent: each node downloads only a few things, but no consensus
Ideal: BitTorrent-like efficiency but with blockchain-like consensus
5.我还应该补充一点，切分的核心思想毫发无损。
区块链1.0：每个节点下载所有内容，达成共识
BitTorrent：每个节点只下载少量内容，但没有一致意见
理想：类似BitTorrent的效率，但具有类似区块链的共识