Secure Authentication Scheme for VANET Based on Blockchain

The Internet of Vehicles (IoVs) is a communication environment that consists of various interconnected sensing devices, instruments, and other intelligent vehicles and applications connected. However, since intelligent devices on the IoVs communicate through insecure communication methods, Vehicular Ad-Hoc Network (VANET) may be vulnerable to different types of attacks. Therefore, it is essential to deploy a secure access control solution in the VANET environment, one of the critical security services to protect VANET. In this article, we propose a novel access control scheme for blockchain-based VANET communication. We provide detailed information about the network model and threat model required to design our scheme. The security analysis of the network shows its ability to resist various possible attacks. Furthermore, we introduce other intelligent devices to our network and protect their privacy from prying eyes. We also compared other relevant competing programs and found that our performance is better than these competitive programs. Therefore, our solution is suitable for access control in a blockchain-based VANET environment.