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Privacy-Preserving Electricity Theft Detection based on Blockchain

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journal contribution
posted on 2023-02-17, 10:36 authored by Z Zhao, Y Liu, Z Zeng, Z Chen, Huiyu Zhou

In most electricity theft detection schemes, consumers’ power consumption data is directly input into the detection center. Although it is valid in detecting the theft of consumers, the privacy of all consumers is at risk unless the detection center is assumed to be trusted. In fact, it is impractical. Moreover, existing schemes may result in some security problems, such as the collusion attack due to the presence of a trusted third party, and malicious data tampering caused by the system operator (SO) being attacked. Aiming at the problems above, we propose a blockchain-based privacy-preserving electricity theft detection scheme without a third party. Specifically, the proposed scheme uses an improved functional encryption scheme to enable electricity theft detection and load monitoring while preserving consumers’ privacy; distributed storage of consumers’ data with blockchain to resolve security problems such as data tampering, etc. Meanwhile, we build a long short-term memory network (LSTM) model to perform higher accuracy for electricity theft detection. The proposed scheme is evaluated in a real environment, and the results show that it is more accurate in electricity theft detection within acceptable communication and computational overhead. Our system analysis demonstrates that the proposed scheme can resist various security attacks and preserve consumers’ privacy.

Funding

10.13039/501100001809-Natural Science Foundation of China (Grant Number: 62072133)

Fujian Key Laboratory of Financial Information Processing (Putian University) (Grant Number: JXC202201)

History

Author affiliation

School of Computing and Mathematical Sciences, University of Leicester

Version

  • AM (Accepted Manuscript)

Published in

IEEE Transactions on Smart Grid

Volume

14

Issue

5

Pagination

4047-4059

Publisher

Institute of Electrical and Electronics Engineers

issn

1949-3053

Copyright date

2023

Available date

2023-02-17

Language

en

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