【Author】
Mohsenzadeh, Ali; Bidgoly, Amir Jalaly; Farjami, Yaghoub
【Source】EXPERT SYSTEMS WITH APPLICATIONS
【Abstract】Fair selection of community members' transactions in blockchain-based technologies, especially in finance, is essential and vital. Therefore, in this paper, a novel consensus model for fair selection of community members' transactions through reputation models is presented as fair reputation-based consensus model (FRCM), so that all transactions of community members have the same weight and transactions are selected regardless of the transaction fee or the assets or computing power but based on the reputation of the trustees who are responsible for placing the transactions in the block. For this purpose, a FRCM prototype has been designed and implemented based on the proposed algorithms. Experimental and theoretical evaluations and simulation results show that the FRCM can select the transactions of community members fairly while reducing the average response time effectively. In addition, comparative analysis with other consensus mechanisms proved that FRCM model has lower consensus latency than other mechanisms, while improving throughput and scalability.
【Keywords】Blockchain; Consensus; Reputation model; Fair selection
【摘要】公平选择社区成员在区块链技术领域的交易，尤其是在金融领域，是至关重要的。因此，在本文中，提出了一种新的通过信誉模型公平选择社区成员交易的共识模型，即基于公平信誉的共识模型(FRCM)，使得社区成员的所有交易具有相同的权重，并且交易的选择不考虑交易费用或资产或计算能力，而是基于负责将交易放置在区块中的受托人的信誉。为此，基于提出的算法设计并实现了一个FRCM原型。实验和理论评估以及仿真结果表明，FRCM能够公平地选择社区成员的事务，同时有效地降低了平均响应时间。此外，与其他共识机制的对比分析证明，FRCM模型比其他机制具有更低的共识延迟，同时提高了吞吐量和可扩展性。
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