Abstract:
Blockchain technology has gained prominence for its potential to address security and privacy challenges in Internet-of-Things (IoT) services and Cyber-Physical Systems (...Show MoreMetadata
Abstract:
Blockchain technology has gained prominence for its potential to address security and privacy challenges in Internet-of-Things (IoT) services and Cyber-Physical Systems (CPS) due to its decentralized, traceable, and immutable nature. However, the considerable energy consumption associated with blockchain, exemplified by Bitcoin, has raised sustainability concerns. This paper introduces BitFT, a consensus protocol that combines the strengths of both lottery-based and voting-based mechanisms to offer a sustainable, comprehensible, and high-performance solution. BitFT dissects the block lifecycle into three phases: dissemination, and commitment phases, which correspond to the Bitcoin framework. It leverages a multiple-round sortition algorithm, a Reliable Broadcast (Rbc) protocol, and a Quorum Certificate (QC) mechanism to facilitate efficient protocol operation. The sortition algorithm functions like a lottery algorithm, while the Rbc protocol and QC mechanism are implemented based on votes. In order to maximize network utilization and enhance system throughput, we further introduce a layered architecture to BitFT, which allows for concurrent commitment of multiple blocks at the same height. We perform a comprehensive analysis to verify the correctness of BitFT and conduct various experiments to demonstrate its high performance.
Published in: IEEE Transactions on Sustainable Computing ( Volume: 9, Issue: 3, May-June 2024)
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Cites in Papers - |
Cites in Papers - IEEE (1)
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Xiaohai Dai, Guanxiong Wang, Jiang Xiao, Zhengxuan Guo, Rui Hao, Xia Xie, Hai Jin, "LightDAG: A Low-latency DAG-based BFT Consensus through Lightweight Broadcast", 2024 IEEE International Parallel and Distributed Processing Symposium (IPDPS), pp.998-1008, 2024.
Cites in Papers - Other Publishers (1)
1.
Rui Hao, Xiaohai Dai, Xia Xie, "Doppel: A BFT consensus algorithm for cyber-physical systems with low latency", Journal of Systems Architecture, pp.103087, 2024.