A Survey on PoW-based Consensus release_mhpnq5g4rffm7os2v723hv4qv4

by Alessio Meneghetti, Massimiliano Sala, Daniele Taufer

Published in Annals of Emerging Technologies in Computing by International Association for Educators and Researchers (IAER).

2020   p8-18

Abstract

We provide a historical overview of proof-of-work techniques and the fields in which it plunges its roots. We are interested in PoW-techniques applied to blockchain technology and therefore we survey the state-of-the-art protocols employing these methods for consensus algorithms, emphasizing the differences between the efficient hashcash systems and the promising bread pudding protocols. Afterwards, the consensus mechanisms are discussed and some interesting known attacks to these algorithms are collected and classified according to their underlying ideas.
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Date   2020-01-01
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