摘录


Nakamoto style algorithms — This class of consensus algorithms, popularized by Bitcoin, elect a leader randomly via a cryptographic puzzle and the leader proposes a block of transactions along with a proof-of-work (PoW) to all the other processes in the network. The majority decision is represented by the longest chain, which has the greatest proof-of-work effort invested in it. If the majority is controlled by honest processes, the honest chain will grow the fastest and outpace any competing chains.
Classical consensus algorithms — In this class of algorithms, the participating processes reach consensus using multiple rounds of message exchanges carrying votes and safety-proofs. A majority of processes must agree on the votes and safety-proofs in order to achieve consensus.

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asked 01 Jul, 15:34

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路人甲
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