Fast Byzantine Agreement

Nicolas Braud-Santoni, Rachid Guerraoui, Florian Huc

Abstract: This paper presents the first probabilistic Byzantine Agreement algorithm whose communication and time complexities are poly-logarithmic. So far, the most effective probabilistic Byzantine Agreement algorithm had communication complexity O*(sqrt n), and time complexity O*(1). Our algorithm is based on a novel, unbalanced, almost everywhere to everywhere Agreement protocol which is interesting in its own right.

Guest: Florian Huc
Host: Stefan Schmid

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