IoT–Driven Blockchain–Based Fast Traceability Method for Electricity Marketing Sensitive Data Using Provenance Vocabulary Model

Abstract

The Internet of Things (IoT) has not only significantly enhanced the efficiency of power marketing business systems but also introduced substantial security risks, particularly concerning the leakage and misuse of sensitive customer data. The current existence of a variety of data security auditing programs is more or less flawed, unable to comprehensively rule out the risk of data leakage. This paper proposes an IoT-driven blockchain-based fast traceability method for electricity marketing sensitive data using the Provenance Vocabulary Model (ProVOC), identifying power marketing sensitive data from the data flowing through the network, designing a structured storage model for sensitive data based on China’s ProVOC data traceability model standard, and then adopting blockchain technology to build a private Ether, generating a blockchain for data flow, reducing the storage space, and improving the speed of contract generation. This paper proposes a fast traceability method for power marketing sensitive data through three key innovations: a ProVOC-based identification mechanism that dynamically extracts sensitive data from network flows; a standard-aligned storage architecture compliant with China’s ProVOC traceability specifications; and a lightweight blockchain framework built on a privatized Ethereum network, which reduces storage overhead by 62% and accelerates smart contract deployment by 2.3 × compared to conventional approaches.