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An improved PBFT consensus algorithm based on grouping and credit grading
Scientific Reports, 2023 To improve the blockchain consensus algorithm practical Byzantine fault tolerance (PBFT) with random master node selection, which has high communication overhead and a small supported network size, this paper proposes a Byzantine fault tolerant consensus
Shannan Liu +4 more
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Research on sybil attack in defense blockchain based on improved PBFT algorithm [PDF]
Tongxin xuebao, 2020 Aiming at the problem that sybil attack has great harm to block chain technology,a method to improve the PBFT algorithm in the alliance chain to defend against sybil attacks was proposed.Firstly,using the idea of consensus algorithm based on proof of ...
Yingxu LAI, Zunxu BO, Jing LIU
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Improvement of PBFT Algorithm Based on Consortium Blockchain [PDF]
Jisuanji kexue, 2022 As a new technology,blockchain has attracted the attention of all walks of life since its birth.Consensus algorithm is one of the core technologies of blockchain technology,and the research of consensus algorithms is also the top priority of blockchain ...
XIE Zhuo, ZHANG Zhi-hong, LI Lei, FENG Ying-jie, CHEN Jing
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Sensors, 2023 Blockchain is a distributed database technology that operates in a P2P network and is used in various domains. Depending on its structure, blockchain can be classified into types such as public and private.
Gwangyong Kim +3 more
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Optimization Scheme of PBFT Algorithm Combining Dynamic Credit Mechanism [PDF]
Jisuanji gongcheng, 2023 Practical Byzantine Fault Tolerance (PBFT) consensus algorithm is widely used in financial institutions, electronic currency industry, agricultural product traceability, and other fields, but there are problems such as poor flexibility, insufficient ...
LIU Zekun, WANG Feng, JIA Hairong
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Jurnal Ilmiah SINERGI, 2021 Today, there is a tendency to reduce the dependence on local computation in favor of cloud computing. However, this inadvertently increases the reliance upon distributed fault-tolerant systems.
Nur Arifin Akbar +3 more
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Distributed and efficient identity authentication based on consortium blockchain
Dianzi Jishu Yingyong, 2022 In order to solve the problems of cumbersome user authentication process, insecure identity information, and vulnerability of authentication system in traditional identity authentication, a distributed identity authentication method based on alliance ...
Yao Ying +4 more
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Symbiotic PBFT Consensus: Cognitive Backscatter Communications-enabled Wireless PBFT Consensus
GLOBECOM 2023 - 2023 IEEE Global Communications Conference, 2023 IEEE Global Communications Conference ...
Haoxiang Luo +4 more
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Design of improved PBFT algorithm based on aggregate signature and node reputation
Intelligent and Converged Networks, 2023 The alliance chain system is a distributed ledger system based on blockchain technology, which can realize data sharing and collaboration among multiple parties while ensuring data security and reliability.
Jinhua Fu, Wenhui Zhou, Jie Xu
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A Scalable and Trust-Value-Based Consensus Algorithm for Internet of Vehicles
Applied Sciences, 2023 As blockchain technology plays an increasingly important role in the Internet of Vehicles, how to further enhance the data consensus between the areas of the Internet of Vehicles has become a key issue in blockchain design.
Zhiqiang Du +5 more
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