Abstract
With the development of Intelligent Transportation Systems (ITS) and 5G communication technology, Vehicular Ad-Hoc Networks (VANETs) are playing an increasingly important role in enhancing road safety, improving traffic efficiency and providing online entertainment experience [1]. However, the information insecurity brought by the traditional centralized mode of VANETs is still a very challenging problem. To solve this problem, a 5G-enabled hierarchical network in VANETs is proposed through the research of blockchain and 5G technology. On this basis, a data sharing scheme based on Practical Byzantine Fault Tolerance (PBFT) algorithm is proposed, which realizes data storage and transmission effectively with its characteristics of data immutability and decentralization. The ideal expected result is that the scheme realizes data storage effectively and the security of data transmission and ensures the reliable transmission of data with lower computing time.
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