GaS-PBFT: A Game-based Node Selection Consensus Mechanism for Internet of Things

【Author】 Jiang, Yiheng; Le, Yuwei; Wang, Jiaheng; You, Xiaohu

【Source】2022 14TH INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS AND SIGNAL PROCESSING, WCSP

【影响因子】

【Abstract】Future communication systems are trending to embrace an open and collaborative ecology for a rising number of edge services and applications, enabling the evolutions of multiple wireless ecosystems such as the Internet of things (IoT). The collaborations among multi-party IoT users, devices, and infrastructure require further designs in terms of security, trust, and efficiency. Blockchain is considered a promising solution to facilitate trusted multi-party collaborations, enhance security, and protect privacy in the IoT. However, the research on IoT-friendly blockchains is still facing a number of challenges due to the heterogeneity and limited capabilities of IoT devices. In this paper, we propose a hierarchical blockchain consensus combining practical Byzantine fault tolerance and a game-based node selection mechanism (GaS-PBFT). GaS-PBFT enables a logical two-layer consensus network structure, groups heterogeneous IoT participants into multiple collaborating consensus groups, and imposes an efficient and fair game on each group for selecting block generators of the IoT blockchains. Finally, we conduct comprehensive simulations to show the performance of the proposed GaS-PBFT consensus in terms of consensus latency, transaction speed, node capacity, and security.

【Keywords】Internet of things; blockchain; consensus mechanism

【发表时间】2022

【收录时间】2023-06-12

【文献类型】实验仿真

【主题类别】

区块链技术-核心技术-共识机制