Pipelet: Practical Streamlined Blockchain Protocol
CoRR(2024)
摘要
Fueled by the increasing popularity of proof-of-stake blockchains, there has
been increasing interest and progress in permissioned consensus protocols,
which could provide a simpler alternative to existing protocols, such as Paxos
and PBFT. In particular, the recently proposed Streamlet protocol provides a
surprisingly simple and streamlined consensus protocol, which crystallizes
years of research in simplifying and improving classic consensus protocols.
While the simplicity of Streamlet is a major accomplishment, the protocol lacks
certain practical features, such as working without synchronized clocks and
supporting a stable block proposer, which limits its applicability. In this
paper, we strive to approach the simplicity of Streamlet and the performance of
PaLa, by introducing Pipelet, a streamlined version of the PaLa protocol. We
formally prove the consistency and liveness of the Pipelet protocol in a
partially synchronous communication model.
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