A Markov Decision Process analysis shows that chained BFT protocols (2CHS, CHS, Streamlet, Fast-HotStuff) have zero attack threshold for leadership democracy, and proposed countermeasures can raise the threshold to about 0.285 Byzantine nodes for 2CHS/CHS, while Fast-HotStuff becomes optimally…
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Leader Rotation Is Not Enough: Scrutinizing Leadership Democracy of Chained BFT Consensus
A Markov Decision Process analysis shows that chained BFT protocols (2CHS, CHS, Streamlet, Fast-HotStuff) have zero attack threshold for leadership democracy, and proposed countermeasures can raise the threshold to about 0.285 Byzantine nodes for 2CHS/CHS, while Fast-HotStuff becomes optimally…