Blockchain-assisted privacy-preserving data sharing protocol for V2G-enabled electric vehicle IoT networks

Area of Science:

• Cybersecurity
• Internet of Things (IoT)
• Blockchain Technology
• Smart Transportation Systems

Background:

• Electric Vehicles (EVs) utilizing Internet of Things (IoT) networks face critical data security and user privacy challenges due to sensitive data exchange.
• Centralized systems in current EV IoT networks present single points of failure, increasing vulnerability to cyberattacks and data breaches.
• Existing solutions inadequately address privacy concerns, particularly regarding user location and personal information within EV networks.

Purpose of the Study:

• To introduce a novel Blockchain Technology-based privacy preservation framework (BCT-PP-EV) for securing data and preserving user privacy in EV IoT networks.
• To leverage blockchain's decentralized nature, cryptographic techniques, and smart contracts for secure, transparent, and tamper-proof data exchanges.
• To enhance trust and reduce risks of unauthorized access and data manipulation in the evolving smart transportation ecosystem.

Main Methods:

• Implementation of a decentralized framework utilizing Blockchain Technology for EV IoT networks.
• Integration of cryptographic techniques, including zero-knowledge proofs (ZKP) and data anonymization, to ensure privacy-preserving transactions.
• Utilization of smart contracts for automating secure and efficient interactions and data sharing within the network.

Main Results:

• The BCT-PP-EV framework achieved 94.91% secure data sharing efficiency and reduced data breaches by 92.84%.
• Data accuracy was maintained at 91.44%, with high scalability of 96.57% as network nodes increased.
• The framework demonstrated controlled latency and throughput, though unauthorized access resistance was measured at 24.71%, indicating areas for future enhancement.

Conclusions:

• The BCT-PP-EV framework offers a robust, scalable, and privacy-preserving solution for next-generation smart transportation systems.
• Decentralized data storage and transparent auditing capabilities foster trust among stakeholders in EV networks.
• The study confirms the potential of blockchain technology to significantly improve security and privacy in EV IoT environments.