Pages: 30-40

Abstract

Internet of Things is now regarded with heightened interest among the scientific community, as well as the market and trade, and is being rapidly developed; it is expected to evolve rapidly and more inclusive in the future. The issue of maintaining security between the components of network and confidentiality of information exchanged between different nodes is one of the most important challenges and concerns raised in IoT, which caused a lot of concerns for developers and users of this technology. This review article examines the layered structure of the Internet of Things and security issues of every layer, the traditional methods, as well as new approaches such as the blockchain, which is the main focus of this study, in order to overcome these challenges and weaknesses.