几种典型区块链共识机制的安全性分析

计算机与现代化 ›› 2020, Vol. 0 ›› Issue (06): 34-.

几种典型区块链共识机制的安全性分析

(湖南科技学院电子与信息工程学院，湖南永州425199)

收稿日期:2019-10-10 出版日期:2020-06-24 发布日期:2020-06-28
作者简介:邓铭巍(1998-)，男，湖南长沙人，本科生，研究方向：区块链技术，共识机制，信息安全，E-mail: sherdan@126.com; 欧嵬(1978-)，男，湖南长沙人，讲师，博士，研究方向：区块链技术，信息安全，E-mail: ouwei1978430@163.com; 杨杰(1976-)，男(瑶族)，湖南永州人，副教授，硕士，研究方向：网络安全，图像处理，人工智能，E-mail: hnyangj@126.com。

Safety Analysis of Three Classic Blockchain Consensus Mechanisms

(School of Electronics and Information Engineering, Hunan University of Science and Engineering, Yongzhou 425199, China)

Received:2019-10-10 Online:2020-06-24 Published:2020-06-28

摘要/Abstract

摘要： 区块链技术源于比特币的出现，随着比特币和其他数字货币在金融市场的火爆，区块链技术得到了各界的广泛关注。共识机制是区块链技术的核心，区块链上的账本和数据都是共识机制的产物，一旦共识机制的安全性出现问题，区块链的可用性和信用度都将受到严重的打击。本文从共识机制的安全性出发，首先介绍区块链和共识机制的概念，然后对3种典型的区块链共识机制进行对比分析：通过逐一研究针对3种共识机制的攻击方法，对它们的一致性和敌手模型进行对比。最后，指出了目前区块链共识机制安全性分析上的局限性，并明确了未来研究共识机制安全性的方向。

关键词: 区块链, 共识机制, 安全性分析

Abstract: Blockchain technology originated from the emergence of bitcoin. With the popularity of bitcoin and other digital currencies in the financial market, blockchain technology has attracted wide attention from all circles. The consensus mechanism is the core of blockchain technology, and the ledger and data on the blockchain are the products of the consensus mechanism. Once the safety of the consensus mechanism is in question, the availability and credibility of blockchain will be seriously hit. Starting from the security of the consensus mechanism, this paper first introduces the concepts of blockchain and consensus mechanism, and then makes a comparative analysis of three classic blockchain consensus mechanisms. By studying the attack methods of the three consensus mechanisms one by one, their consistency and adversary models are compared. Finally, the limitations of current consensus mechanism safety analysis are pointed out, and the direction of future research on consensus mechanism safety is determined.

Key words: blockchain, consensus mechanism, safety analysis

中图分类号:

TP309

邓铭巍, 欧嵬, 杨杰. 几种典型区块链共识机制的安全性分析[J]. 计算机与现代化, 2020, 0(06): 34-.

DENG Ming-wei, OU Wei, YANG Jie. Safety Analysis of Three Classic Blockchain Consensus Mechanisms[J]. Computer and Modernization, 2020, 0(06): 34-.

参考文献［29］

［1］	NAKAMOTO S. Bitcoin: A Peer-to-Peer Electronic Cash System［DB/OL］. (2008-12-10)［2019-07-25］. https://bitcoin.org/bitcoin.pdf.
［2］	杨宇光,张树新. 区块链共识机制综述［J］. 信息安全研究, 2018,4(4):369-379.
［3］	BEN SASSON E, CHIESA A, TROMER E, et al. Succinct non-interactive zero knowledge for a von Neumann architecture［C］// Proceedings of the 23rd USENIX Security Symposium. 2014:781-796.
［4］	LUU L, NARAYANAN V, ZHENG C D, et al. A secure sharding protocol for open blockchains［C］// Proceedings of the 2016 ACM SIGSAC Conference on Computer and Communications Security. 2016:17-30.
［5］	BEN SASSON E, CHIESA A, GARMAN C, et al. Zerocash: Decentralized anonymous payments from bitcoin［C］// Proceedings of the 2014 IEEE Symposium on Security and Privacy. 2014:459-474.
［6］	EYAL I, GENCER A E, SIRER E G, et al. Bitcoin-NG: A scalable blockchain protocol［C］// Proceedings of the 13th Usenix Conference on Networked Systems Design and Implementation. 2016:45-59.
［7］	朱建明,丁庆洋,高胜. 基于许可链的SWIFT系统分布式架构［J］. 软件学报, 2019,30(6):1594-1613.
［8］	史锦山,李茹. 物联网下的区块链访问控制综述［J］. 软件学报, 2019,30(6):1632-1648.
［9］	范贤丽,范春晓,吴岳辛. 基于区块链和IPFS技术实现粮食供应链隐私信息保护［J］. 应用科学学报, 2019,37(2):179-190.
［10］	余益民,陈韬伟,段正泰,等. 基于区块链的政务信息资源共享模型研究［J］. 电子政务, 2019(4):58-67.
［11］	TokenClub研究院. 区块链安全研究报告［DB/OL］. (2018-08-20)［2019-07-25］. https://max.book118.com/html/2018/0925/5201103323001314.shtm.
［12］	舒航,张高煜,赵厚宝,等. 区块链技术研究综述［J］. 福建电脑, 2019,35(1):1-3.
［13］	GARAY J, KIAYIAS A, LEONARDOS N. The bitcoin backbone protocol: Analysis and applications［C］// Proceedings of the 34th Annual International Conference on the Theory and Applications of Cryptographic Techniques. 2015:281-310.
［14］	LAMPORT L, SHOSTAK R, PEASE M. The Byzantine generals problem［J］. ACM Transactions on Programming Languages and Systems, 1982,4(3):382-401.
［15］	CASTRO M, LISKOV B. Practical Byzantine fault tolerance［C］// Proceedings of the 3rd Symposium on Operating Systems Design and Implementation. 1999.
［16］	韩璇,刘亚敏. 区块链技术中的共识机制研究［J］. 信息网络安全, 2017(9):147-152.
［17］	袁勇,王飞跃. 区块链技术发展现状与展望［J］. 自动化学报, 2016,42(4):481-494.
［18］	张偲. 区块链技术原理、应用及建议［J］. 软件, 2016,37(11):51-54.
［19］	唐长兵,杨珍,郑忠龙,等. PoW共识算法中的博弈困境分析与优化［J］. 自动化学报, 2017,43(9):1520-1531.
［20］	SALEH F. Blockchain Without Waste: Proof-of-Stake［DB/OL］. (2018-06-07)［2019-07-25］. https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3183935.
［21］	夏清,张凤军,左春. 加密数字货币系统共识机制综述［J］. 计算机系统应用, 2017,26(4):1-8.
［22］	刘懿中,刘建伟,张宗洋,等. 区块链共识机制研究综述［J］. 密码学报, 2019,6(4):395-432.
［23］	DOUCEUR J R. The sybil attack［C］// Proceedings of the 1st International Workshop on Peer-to-Peer Systems. 2002:251-260.
［24］	ROWAIHY H, ENCK W, MCDANIEL P, et al. Limiting sybil attacks in structured P2P networks［C］// Proceedings of the 26th IEEE International Conference on Computer Communications. 2007:2596-2600.
［25］	BORISOV N. Computational puzzles as sybil defenses［C］// Proceedings of the 6th IEEE International Conference on Peer-to-peer Computing. 2006:171-176.
［26］	TOSH D K, SHETTY S, LIANG X P, et al. Security implications of blockchain cloud with analysis of block withholding attack［C］// Proceedings of the 17th IEEE/ACM International Symposium on Cluster, Cloud and Grid Computing. 2017:458-467.
［27］	ROSENFELD M. Analysis of hashrate-based double spending［J］. arXiv preprint arXiv:1402.2009, 2014.
［28］	EYAL I, SIRER E G. Majority is not enough: Bitcoin mining is vulnerable［C］// Proceedings of 2014 International Conference on Financial Cryptography and Data Security. 2014:436-454.
［29］	斯雪明,徐蜜雪,苑超. 区块链安全研究综述［J］. 密码学报, 2018,5(5):458-469.

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