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An Electricity Blockchain Transaction Privacy Protection Scheme based on Homomorphic Encryption

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DOI: 10.23977/iotea.2019.41001 | Downloads: 50 | Views: 3423


Zhang Shaomin 1, Zhang Qiqi 1, Wang Baoyi 1


1 School of Control and Computer Engineering, North China Electric Power University, Baoding 071003, China

Corresponding Author

Zhang Shaomin


An electricity blockchain based on smart contract is designed by introducing decentralization into smart grid in this paper. The data in blockchain may reveal user privacy due to transparency. Therefore, a blockchain privacy protection scheme based on additive homomorphic encryption algorithm is proposed. The electricity and account balance of users are encrypted by the homomorphic encryption algorithm in the scheme to realize the confidentiality of data ensuring electricity billing. Finally, the security of the scheme is proved and the performance of the scheme is analyzed. The encryption algorithm of the scheme has less computational complexity and higher efficiency.


Decentralization, blockchain, smart contract, privacy protection, additional homomorphic encryption, LWE


Shaomin, Z., Qiqi, Z., Baoyi, W., An Electricity Blockchain Transaction Privacy Protection Scheme based on Homomorphic Encryption, Internet of Things (IoT) and Engineering Applications (2019) 4: 1-6. DOI:


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