Abstract
With the rapid development of the informatization and industrialization of the Internet of Vehicles (IoV), the number and application of connected vehicles are growing rapidly. The safety problem is related to the property and life of human beings, which has attracted extensive attention from academic and industrial circles. Based on the study of high-quality literature published in the past decade and other high-level research works, this paper first analyzes the forms of attack against the Internet of Vehicles from the two aspects of attack mode and target. Then, it summarizes the existing blockchain-based system framework of the Internet of Vehicles (BIoV) and then discusses the security solutions of blockchain-based vehicles from the aspects of authentication, privacy, trust management, access control, and so on, to support the distributed system architecture and solve the security challenges of the Internet of Vehicles. Finally, the technical difficulties and the direction of further research of BIoV are summarized.
Highlights
Internet of Vehicles (IoV) has become the most promising and fastest-growing new network paradigm and has brought many applications, such as emergency communication of traffic incidents, traffic congestion prediction, and new traffic service modes
With the assistance of edge computing and blockchain, the roadside unit (RSU) can quickly evaluate the trust value by using the trust data gathered from the blockchain. e scheme proposes that multiple anonymous persons in the adjacent vehicle area are selected to construct the stealthy region in a cross-region manner. is scheme can effectively protect the location privacy of the vehicle and avoid the leakage of RV’s request content and LSP’s (Location-Based Service Provider) service results during transmission
In [50], the author introduces the PoW dynamic mechanism to expand the traffic flow generated by vehicles and designs the data structure of the vehicle’s blockchain in detail. e diagram attributes to each vehicle user a blockchain account with a 20-byte address similar to Bitcoin and Ethereum. e operation of the address size protocol is divided into two phases: the configuration phase for vehicle registration and the data transfer phase for communication between vehicles
Summary
IoV has become the most promising and fastest-growing new network paradigm and has brought many applications, such as emergency communication of traffic incidents, traffic congestion prediction, and new traffic service modes. We should need a security mechanism to ensure that entities in IoV cannot manipulate, alter, or delete critical event messages in VANET. Blockchain is a decentralized peer-to-peer network, and nodes do not need to trust each other It includes data encryption, timestamps, distributed consensus, smart contracts, and other technologies. One of the main characteristics of blockchain is decentralization We can use this feature to realize the rapid authentication of safety information on the Internet of Vehicles and achieve the purpose of traceability management of traffic accidents. Because the blockchain is a decentralized, peer-to-peer trust-based network, the data in Security and Communication Networks the blockchain is reliable, accurate, consistent, timely, and widely accessible. Blockchain can protect the security and privacy of vehicle nodes by using a hash function and encryption technology. The future challenges and research directions of security technology are summarized
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