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ATBFT-automatically switch consensus protocol

delete2025-01-01
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OA
AI
Y
Yuxuan Lu
C
Chang Liu
L
Lanju Kong *
X
Xiangyu Niu
DOI:10.1016/j.bcra.2024.100255delete
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Abstract

Abstract

En 中文
The current blockchain requires higher stability and efficiency. However, leaderBFT consensus and leaderlessBFT consensus have three problems: dominant replica failure, transaction interruption, and high communication overhead and latency. And regardless of leaderBFT consensus or leaderlessBFT consensus, there isn't a very good solution. It's urgent to leverage the advantages of both consensus types to enhance blockchain performance. To solve the problems, this paper proposes the ATBFT consensus protocol. ATBFT elects the dominant replica through reputation value to ensure higher reliability. In addition, ATBFT has an automatic switching mechanism between leaderBFT consensus and leaderlessBFT consensus. The protocol can automatically elect the consensus type according to the current network conditions, effectively utilizing the idle time of the view change to generate more blocks. Furthermore, it can guarantee the execution of the entire consensus process to ensure that the tx2- transactions are uninterrupted. Finally, ATBFT decomposes the blocks: the consensus is performed only through the block header, and the commitment and execution phase of a tx is performed through a linearly propagated block body. According to experimental evaluation, ATBFT has higher usability and practicality.
Keywords:
Blockchain
Adaptive
Byzantine consensus
AI Summary

AI Summary

Key information extracted from the uploaded paper, including a brief overview, abstract, background, key highlights, visual analysis, and future outlook.

Journal

Blockchain-Research and Applications cover
Blockchain-Research and Applications
IF:
5.6
Papers:
315
Citations:
754

Organization

N
Newcastle Univ
Scholars:
936
Papers: 523
Citations: 270
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