articleIEEE Communications Surveys & TutorialsJan 1, 2020GREEN OA

A Survey of Distributed Consensus Protocols for Blockchain Networks

YXYang XiaoNZNing ZhangWLWenjing LouYTY. Thomas Hou

Virginia Tech · Washington University in St. Louis

Indexed inarxivcrossref

Abstract

Since the inception of Bitcoin, cryptocurrencies and the underlying blockchain technology have attracted an increasing interest from both academia and industry. Among various core components, consensus protocol is the defining technology behind the security and performance of blockchain. From incremental modifications of Nakamoto consensus protocol to innovative alternative consensus mechanisms, many consensus protocols have been proposed to improve the performance of the blockchain network itself or to accommodate other specific application needs. In this survey, we present a comprehensive review and analysis on the state-of-the-art blockchain consensus protocols. To facilitate the discussion of our analysis,…

Citation impact

778
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FWCI
128.93
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100%
References
89
Citations per year

Authors

4
  • YX
    Yang XiaoCorresponding

    Virginia Tech

  • NZ
    Ning Zhang

    Washington University in St. Louis

  • WL
    Wenjing Lou

    Virginia Tech

  • YT
    Y. Thomas Hou

    Virginia Tech

Topics & keywords

Topics
Keywords
  • Blockchain
  • Protocol (science)
  • Cryptocurrency
  • Key (lock)
  • Consensus algorithm
  • Consensus
  • Vulnerability (computing)
  • Block (permutation group theory)
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