Abstract
Energy trading technology based on Internet of Things (IoTs) is one of the research hotspots. However, in the process of energy trading, it is easy to leak the user’s personal privacy. In order to solve the problem of privacy leakage in the energy trading IoT system, we explore a secure energy trading method based on blockchain technology and homomorphic encryption technology. Firstly, we propose a homomorphic encryption method for blockchain system. Secondly, we propose a privacy protection method based on blockchain architecture. Finally, we propose an energy trading IoT system based on blockchain. By integrating homomorphic encryption, blockchain and other technologies, we have implemented a secure energy trading system. Compared with other similar systems, our energy trading IoT system based on blockchain can provide more secure user services. In addition, our system can better protect the privacy of users.
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