Introduction

Optimistically fast BFT protocols

Abstract

In a previous note (arXiv:1712.01367 [cs.DC]) , we observed a safety violation in Zyzzyva and a liveness violation in FaB. In this manuscript (https://arxiv.org/abs/1801.10022), we sketch fixes to both. The same view-change core is applied in the two schemes, and additionally, applied to combine them and create a single, enhanced scheme that has the benefits of both approaches.

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Date

January, 2018

Authors

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Type

Techreport