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- W3044189584 abstract "Consensus protocols play a pivotal role to balance security and efficiency in blockchain systems. In this paper, we propose an evaluation framework for blockchain consensus protocols termed as AlphaBlock. In this framework, we compare the overall performance of Byzantine Fault Tolerant (BFT) consensus and Nakamoto Consensus (NC). BFT consensus is reached by multiple rounds of quorum votes from the supermajority, while NC is reached by accumulating credibility with the implicit voting from appending blocks. AlphaBlock incorporates the key concepts of Hotstu BFT (HBFT) and Proof-of-authority (PoA) as the case study of BFT and NC. Using this framework, we compare the throughput and latency of HBFT and PoA with practical network and blockchain configurations. Our results show that the performance of HBFT dominates PoA in most scenarios due to the absence of forks in HBFT. Moreover, we find out a set of optimal configurations in AlphaBlock, which sheds a light for improving the performance of blockchain consensus algorithms." @default.
- W3044189584 created "2020-07-29" @default.
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- W3044189584 date "2020-07-26" @default.
- W3044189584 modified "2023-10-18" @default.
- W3044189584 title "AlphaBlock: An Evaluation Framework for Blockchain Consensus Protocols" @default.
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- W3044189584 doi "https://doi.org/10.48550/arxiv.2007.13289" @default.
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