期刊
IEEE TRANSACTIONS ON INTELLIGENT TRANSPORTATION SYSTEMS
卷 23, 期 7, 页码 8857-8867出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TITS.2021.3086976
关键词
Edge computing; blockchain; the Internet of Vehicles; data sharing
资金
- National Natural Science Foundation of China [61872001, 62011530046, U1936220]
- Special Fund for Key Program of Science and Technology of Anhui Province, China [202003A05020043]
- Open Fund of Key Laboratory of Embedded System and Service Computing (Tongji University), Ministry of Education [ESSCKF2018-03]
The study utilizes consortium blockchain technology to achieve traceable and anonymous vehicle-to-vehicle data sharing, effectively preventing second-hand sharing of data. The enhanced delegated proof-of-stake consensus algorithm is designed to make it more suitable for applications in the distributed Internet of Vehicles, and a comprehensive analysis shows that the proposed scheme is secure and efficient.
The large amount of driving data can help intelligent vehicles make decisions to drive safely, improve vehicular services and enhance driving experience. In traditional vehicular networks, data sharing needs to be done with roadside units (RSUs). However, RSUs cannot be entirely trusted and the data stored in the RSUs may he tampered with. In addition, the deployment of RSUs along roads consumes a large amount of social resources. Further, data sharing between vehicles lacks a trusted environment, and vehicles may be unwilling to share data with others because of data security and privacy concerns. Moreover, in the event of unauthorized data sharing, the source of the leaked data is difficult to trace. In this study, we exploit consortium blockchain technology to achieve traceable and anonymous vehicle-to-vehicle (V2V) data sharing, effectively preventing second-hand sharing of data. The combination of SG and blockchain makes it possible to share data without using RSUs. We design an enhanced delegated proof-of-stake consensus algorithm to make it more suitable for applications in the distributed Internet of Vehicles (IoV). A comprehensive analysis shows that the proposed scheme is secure and efficient.
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