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A cross-chain electricity transaction scheme for multi-microgrid with user privacy protection and regulation

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  • Zhang, Shaomin
  • Li, Jiatao
  • Wang, Baoyi

Abstract

Multi-microgrid smart electricity market can facilitate energy complementarity between microgrids and improve the utilization rate of renewable energy. However, in the transaction payment between multiple blockchain-based microgrids, transaction data and transaction assets on different blockchains are not only difficult to interoperate, but also attackers can obtain private information such as the account addresses and transaction amount of electricity prosumers from the blockchain ledger. This allows attackers to infer the true identities of users, undermining the security and fairness of electricity transaction. To address these issues, a cross-chain electricity transaction scheme for multi-microgrid with user privacy protection and regulation is proposed. Firstly, Pedersen commitment is used to encrypt the transaction amount, and Signature of Knowledge is used to encrypt the electricity transaction payment message while hiding the true identities of the users, achieving anonymous payment. Secondly, the stealth address generation algorithm in the blockchain is improved, achieving unlinkability between users' real address and payment address, preventing inference attacks and enhancing address generation efficiency. Finally, relay chain technology is used to ensure the security of cross-chain electricity transaction payment between different microgrids. Theoretical analysis proves the scheme's unforgeability, anonymity, and traceability. Performance evaluation indicates that the scheme has low computational costs.

Suggested Citation

  • Zhang, Shaomin & Li, Jiatao & Wang, Baoyi, 2025. "A cross-chain electricity transaction scheme for multi-microgrid with user privacy protection and regulation," Applied Energy, Elsevier, vol. 401(PB).
    • Handle: RePEc:eee:appene:v:401:y:2025:i:pb:s0306261925014710
    DOI: 10.1016/j.apenergy.2025.126741
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    References listed on IDEAS

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    1. Nawaz, Arshad & Zhou, Min & Wu, Jing & Long, Chengnian, 2022. "A comprehensive review on energy management, demand response, and coordination schemes utilization in multi-microgrids network," Applied Energy, Elsevier, vol. 323(C).
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    3. Dinesha, Disha L. & Balachandra, P., 2022. "Conceptualization of blockchain enabled interconnected smart microgrids," Renewable and Sustainable Energy Reviews, Elsevier, vol. 168(C).
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    1. Chen, Ziyu & Zhu, Jizhong & Liu, Yun & Dong, Zhaoyang & Xu, Yan, 2026. "A review of the carbon trading market with large-scale user participation based on blockchain," Renewable and Sustainable Energy Reviews, Elsevier, vol. 227(C).

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