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Due to the difficulty and significance of the Internet of Things (IoT), the highest standards of data protection are essential to the successful growth of any smart city or technical endeavour that relies on the IoT. This paper focuses on the efficient security management techniques for IoT that can be applied in smart city, smart homes, industry and many applications. Initially, an introduction to IoT and Blockchain as security methods are discussed, as well as the sensors and wireless sensor networks associated with IoT are also introduced. A comprehensive survey on IoT and its security issues are presented. IoT concerns about privacy and security are a necessary procedure as well as a difficult challenge for researchers. The blockchain technology enhanced and motivated the recent security parameters and it has been validating various technical sectors since its inception.
Gowda et al. (Tue,) studied this question.