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About this paper
Nibesh Shrestha, Qianyu Yu, Aniket Kate, Giuliano Losa, Kartik Nayak, Xuechao Wang
The authors introduce a signature-free reliable broadcast protocol with a two-step fast path when the broadcaster is honest and at least ⌈(n+2f−2)/2⌉ non-broadcasters are honest. Vote, acknowledgment, and ready messages preserve fallback agreement; ordinary good- and bad-case paths take four and five steps. In a fault-free 50-node deployment, Opt-Sailfish++ has 67% lower latency than Sailfish at 100K transactions per second.
Summary by alphaXiv.
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