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Abstract <p>This article examines the problem of ensuring Byzantine fault tolerance in the distributed ledger systems of a smart city. To improve the security of distributed ledger systems, it is proposed to use the Hashgraph distributed consensus protocol, in which events are organized as a directed acyclic graph and nodes exchange “gossip about gossip.” The traditional Hashgraph protocol is supplemented with a developed trust model that reduces the influence of malicious devices when reaching consensus in the digital infrastructures of a smart city.</p>

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Ensuring Byzantine Fault Tolerance of a Distributed Ledger in a Smart City Based on a Trust Model

  • 期刊论文

  • 发表日期：

    2025年12月1日

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  • M. O. Kalinin,
  • V. M. Krundyshev,
  • O. S. Vasil’ev

摘要

Abstract

This article examines the problem of ensuring Byzantine fault tolerance in the distributed ledger systems of a smart city. To improve the security of distributed ledger systems, it is proposed to use the Hashgraph distributed consensus protocol, in which events are organized as a directed acyclic graph and nodes exchange “gossip about gossip.” The traditional Hashgraph protocol is supplemented with a developed trust model that reduces the influence of malicious devices when reaching consensus in the digital infrastructures of a smart city.