An In-Depth Look of BFT Consensus in Blockchain: Challenges and Opportunities

Suyash Gupta, Jelle Hellings, Sajjad Rahnama, Mohammad Sadoghi
{"title":"An In-Depth Look of BFT Consensus in Blockchain: Challenges and Opportunities","authors":"Suyash Gupta, Jelle Hellings, Sajjad Rahnama, Mohammad Sadoghi","doi":"10.1145/3366625.3369437","DOIUrl":null,"url":null,"abstract":"Since the introduction of Bitcoin---the first wide-spread application driven by blockchains---the interest of the public and private sector in blockchains has skyrocketed. At the core of this interest are the ways in which blockchains can be used to improve data management, e.g., by enabling federated data management via decentralization, resilience against failure and malicious actors via replication and consensus, and strong data provenance via a secured immutable ledger. In practice, high-performance blockchains for data management are usually built in permissioned environments in which the participants are vetted and can be identified. In this setting, blockchains are typically powered by Byzantine fault-tolerant consensus protocols. These consensus protocols are used to provide full replication among all honest blockchain participants by enforcing an unique order of processing incoming requests among the participants. In this tutorial, we take an in-depth look at Byzantine fault-tolerant consensus. First, we take a look at the theory behind replicated computing and consensus. Then, we delve into how common consensus protocols operate. Finally, we take a look at current developments and briefly look at our vision moving forward.","PeriodicalId":155490,"journal":{"name":"Proceedings of the 20th International Middleware Conference Tutorials","volume":"6 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2019-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"18","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the 20th International Middleware Conference Tutorials","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1145/3366625.3369437","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 18

Abstract

Since the introduction of Bitcoin---the first wide-spread application driven by blockchains---the interest of the public and private sector in blockchains has skyrocketed. At the core of this interest are the ways in which blockchains can be used to improve data management, e.g., by enabling federated data management via decentralization, resilience against failure and malicious actors via replication and consensus, and strong data provenance via a secured immutable ledger. In practice, high-performance blockchains for data management are usually built in permissioned environments in which the participants are vetted and can be identified. In this setting, blockchains are typically powered by Byzantine fault-tolerant consensus protocols. These consensus protocols are used to provide full replication among all honest blockchain participants by enforcing an unique order of processing incoming requests among the participants. In this tutorial, we take an in-depth look at Byzantine fault-tolerant consensus. First, we take a look at the theory behind replicated computing and consensus. Then, we delve into how common consensus protocols operate. Finally, we take a look at current developments and briefly look at our vision moving forward.
区块链中的BFT共识:挑战与机遇
自从比特币(第一个由区块链驱动的广泛应用)问世以来,公共和私营部门对区块链的兴趣急剧上升。这种兴趣的核心是区块链可以用来改善数据管理的方式,例如,通过去中心化实现联合数据管理,通过复制和共识实现对故障和恶意行为者的弹性,以及通过安全的不可变分类账实现强大的数据来源。在实践中,用于数据管理的高性能区块链通常构建在允许的环境中,其中参与者经过审查并可以识别。在这种情况下,区块链通常由拜占庭式容错共识协议提供支持。这些共识协议通过在参与者之间执行处理传入请求的独特顺序,在所有诚实的区块链参与者之间提供完整的复制。在本教程中,我们将深入了解拜占庭容错共识。首先,我们来看看复制计算和共识背后的理论。然后,我们深入研究公共共识协议是如何运作的。最后,我们将回顾当前的发展,并简要展望我们未来的愿景。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
求助全文
约1分钟内获得全文 求助全文
来源期刊
自引率
0.00%
发文量
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
确定
请完成安全验证×
copy
已复制链接
快去分享给好友吧!
我知道了
右上角分享
点击右上角分享
0
联系我们:info@booksci.cn Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号:604180095
Book学术官方微信