Survey on Blockchain-Based Internet of Things Security Technologies
Q. Meng, Zhihong Sun, Zheng Lv, Qiang Cheng, Wei Liu, Yun Chen · 2024
Internet of Things(IoT) terminals are characterized by large number, wide distribution, complex hierarchical structure, etc., and are often in complex environments, which are more susceptible to attacks than traditional Internet terminal devices, and their security management faces greater challenges. Because blockchain technology has the advantages of being distributed, decentralized, and not easily tampered with, it is very suitable for solving the current security problems faced by the Internet of Things. In this paper, the research on the security aspects of IoT based on blockchain technology in recent years is sorted out, discussing the application of blockchain technology in the field of IoT security from three aspects of privacy protection, identity authentication, and access control, analyzing the technical characteristics, advantages and disadvantages of different technical solutions, and looking forward to the future development of these fields.