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A Review of Blockchain in Internet of Things and AI

Electronic and Computer Science Department, University of Southampton, Southampton SO17 1BJ, UK
Department of Computer Science and Engineering, Faculty of Electronic Engineering, Menoufia University, Menouf 32952, Egypt
Department of Engineering and Technology, University of Derby, Derby DE22 1GB, UK
Author to whom correspondence should be addressed.
Big Data Cogn. Comput. 2020, 4(4), 28;
Received: 15 September 2020 / Revised: 10 October 2020 / Accepted: 12 October 2020 / Published: 14 October 2020
(This article belongs to the Special Issue Big Data and Cognitive Computing: Feature Papers 2020)
The Internet of Things (IoT) represents a new technology that enables both virtual and physical objects to be connected and communicate with each other, and produce new digitized services that improve our quality of life. The IoT system provides several advantages, however, the current centralized architecture introduces numerous issues involving a single point of failure, security, privacy, transparency, and data integrity. These challenges are an obstacle in the way of the future developments of IoT applications. Moving the IoT into one of the distributed ledger technologies may be the correct choice to resolve these issues. Among the common and popular types of distributed ledger technologies is the blockchain. Integrating the IoT with blockchain technology can bring countless benefits. Therefore, this paper provides a comprehensive discussion of integrating the IoT system with blockchain technology. After providing the basics of the IoT system and blockchain technology, a thorough review of integrating the blockchain with the IoT system is presented by highlighting benefits of the integration and how the blockchain can resolve the issues of the IoT system. Then, the blockchain as a service for the IoT is presented to show how various features of blockchain technology can be implemented as a service for various IoT applications. This is followed by discussing the impact of integrating artificial intelligence (AI) on both IoT and blockchain. In the end, future research directions of IoT with blockchain are presented. View Full-Text
Keywords: Internet of Things; blockchain technology; IoT with blockchain; review; IoT and blockchain integration Internet of Things; blockchain technology; IoT with blockchain; review; IoT and blockchain integration
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MDPI and ACS Style

Atlam, H.F.; Azad, M.A.; Alzahrani, A.G.; Wills, G. A Review of Blockchain in Internet of Things and AI. Big Data Cogn. Comput. 2020, 4, 28.

AMA Style

Atlam HF, Azad MA, Alzahrani AG, Wills G. A Review of Blockchain in Internet of Things and AI. Big Data and Cognitive Computing. 2020; 4(4):28.

Chicago/Turabian Style

Atlam, Hany F., Muhammad A. Azad, Ahmed G. Alzahrani, and Gary Wills. 2020. "A Review of Blockchain in Internet of Things and AI" Big Data and Cognitive Computing 4, no. 4: 28.

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