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Privacy challenges of IoT-based blockchain: a systematic review

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Abstract

The Internet of Things (IoT) has infiltrated extensively into our lifestyles. Nevertheless, IoT privacy remains a significant obstacle, primarily because of the large size and distributed existence of IoT networks. Also, numerous safety, authentication, and maintenance problems of IoT systems have been overcome by the decentralized existence of blockchain. To obviate these privacy difficulties, the privacy challenges of IoT-based blockchain are examined systematically. Totally, 61 papers have been gained by electronic databases and based on different filters, 20 related articles were obtained and analyzed. The findings showed that the blockchain could dominate the IoT restrictions, such as data protection and privacy. It can also supply distributed storage, transparency, trust, and secure distributed IoT networks and supply a beneficial guarantee for the privacy and security of IoT users. Simultaneously, it has low scalability, high computing complexity, IoT-unsuitable latency, and high overhead bandwidth.

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  1. Shanxi International Business Vocational College, Taiyuan, 030031, Shanxi, China

    Wenbing Liang

  2. Weifang Technical University, Weifang, China

    Nan Ji

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Liang, W., Ji, N. Privacy challenges of IoT-based blockchain: a systematic review. Cluster Comput 25, 2203–2221 (2022). https://doi.org/10.1007/s10586-021-03260-0

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