Abstract
Electric vehicles are gaining popularity in the Vehicle-to-Grid network due to recharge batteries during off-peak electricity hours and discharge during peak hours. It allows for accomplishing electricity requirements in periods of high demand and additional storage in case of surplus generation from the grid. Electric vehicles also earn reward points for energy trading. The significant trading data volume processed by the underlying Vehicle-to-Grid infrastructure results in numerous security, privacy and scalability challenges. Researchers suggested various energy trading schemes but suffered from anonymity, large overheads, and dependency on a centralized system, which may cause single-point failure. As a solution, new design principles are desirable to enable the next generation of Vehicle-to-Grid networks. Decentralized energy information networks are a crucial aspect of future power grids, and blockchain technology offers promising potential to support local energy trading and decentralized power generation. Thus, a proposed framework uses the blockchain-based decentralized, secure, and privacy vehicle-to-grid network mutual authentication and energy trading system using elliptic curve cryptography with a scheduling feature. The Proposed scheme is divided into four steps (1) Registration, (2) Scheduling, (3) Mutual authentication and (4) Consensus and energy trading. Distributed ledger blockchain technology makes every transaction valid and authentic, possibly minimizing or eliminating mediators in energy trading, while lightweight elliptical curve cryptography is used for mutual authentication. Further, the performance of our scheme is justified by using the popular AVISPA simulation tool. Our analysis illustrates that the proposed model is secure, privacy-preserving, and supports minimal communicational and computational overhead of 1750 bits and 7.027 ms compared to state-of-the-art work.
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