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Revisiting Fast Practical Byzantine Fault Tolerance: Thelma, Velma, and Zelma

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arxiv 1801.10022 v1 pith:MGG3LHLK submitted 2018-01-26 cs.DC

Ittai Abraham , Guy Gueta , Dahlia Malkhi , Jean-Philippe Martin This is my paper · ORCID
classification cs.DC
keywords appliedviolationadditionallyapproachesarxivbenefitsbyzantinecombine
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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, 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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  1. BlueBottle: Fast and Robust Blockchains through Subsystem Specialization

    cs.DC 2025-11 reject novelty 6.0 of 10

    A two-layer consensus architecture uses a faster n=5f+1 DAG core plus a synchronous guard layer to reach sub-second finality with accountable recovery.

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