{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,2]],"date-time":"2026-05-02T00:49:58Z","timestamp":1777682998177,"version":"3.51.4"},"reference-count":21,"publisher":"SAGE Publications","issue":"4","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JHS"],"published-print":{"date-parts":[[2024,10,15]]},"abstract":"<jats:p>In recent years, there has been a noticeable surge in electric power load due to economic development and improved living standards. The growing need for smart power solutions, such as leveraging user electricity data to forecast power peaks and utilizing power data statistics to enhance end-user services, has been on the rise. However, the misuse and unauthorized access of data have prompted stringent regulations to safeguard data integrity. This paper presents a novel decentralized collaborative machine learning framework aimed at predicting peak power loads while protecting the privacy of users\u2019 power data. In this scheme, multiple users engage in collaborative machine learning training within a peer-to-peer network free from a centralized server, with the objective of predicting peak power loads without compromising users\u2019 local data privacy. The proposed approach leverages blockchain technology and advanced cryptographic techniques, including multi-key homomorphic encryption and consistent hashing. Key contributions of this framework include the development of a secure dual-aggregate node aggregation algorithm and the establishment of a verifiable process within a decentralized architecture. Experimental validation has been conducted to assess the feasibility and effectiveness of the proposed scheme, demonstrating its potential to address the challenges associated with predicting peak power loads securely and preserving user data privacy.<\/jats:p>","DOI":"10.3233\/jhs-230198","type":"journal-article","created":{"date-parts":[[2024,10,15]],"date-time":"2024-10-15T11:02:44Z","timestamp":1728990164000},"page":"557-567","source":"Crossref","is-referenced-by-count":0,"title":["Decentralized collaborative machine learning for protecting electricity data"],"prefix":"10.1177","volume":"30","author":[{"given":"Rui","family":"Wang","sequence":"first","affiliation":[{"name":"State Grid Shandong Electric Power Research Institute, Jinan, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xin","family":"Liu","sequence":"additional","affiliation":[{"name":"State Grid Shandong Electric Power Research Institute, Jinan, 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