Car-Story: A Decentralized Vehicle Information Storage System Based on Blockchain

Worldwide, the market for reconditioned cars suffers due to an inconclusive and forged record storage system. Most of the vehicle information systems fail to prevent information manipulation as the data authentication system is absent or flawed. Fabrication of information is being committed without trace in reconditioned automobiles. Our proposed decentralized, blockchain-based vehicle information system that we named Car-Story can solve this problem. Car-Story is a digitally distributed, decentralized, public ledger that exists across a network and uses cryptography to store data. Therefore, the vehicle handling process will become secure, trusted, and less time-consuming, and inadvertent issues can be tracked swiftly and conveniently. In this paper, we use Ethereum blockchain platform for implementing decentralized and immutable vehicle information system that can store all necessary vehicle related information including manufacturing history, accident reports, servicing information, etc. Finally, we study performance of the system by measuring query latency and transaction latency while the number of peer nodes are varied from two to six. Average resource utilization of the system has also been studied.