Blockchain applications for Internet of Things - a survey

Khan, Imran, Majib, Yasar, Ullah, Rehmat and Rana, Omer ORCID: https://orcid.org/0000-0003-3597-2646 2024. Blockchain applications for Internet of Things - a survey. Internet of Things 27 , 101254. 10.1016/j.iot.2024.101254 Item availability restricted.

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Abstract

In recent years, the Internet of Things (IoT) has been shaping our lives through billions of internet based interconnected devices. However, due to the decentralized nature of these devices, security, privacy, trust, and traceability remain major concerns. Blockchain is a distributed ledger technology used across several application domains, with features such as immutability and distribution. This survey describes how blockchains can support IoT based systems. We also identify key challenges in using blockchains in IoT, such as scalability, energy consumption, data privacy and security, integration complexity, and regulatory compliance. A comparative analysis of current blockchain scalability solutions and lightweight encryption algorithms is also presented; providing research gaps that still need to be addressed.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Computer Science & Informatics
Publisher:	Elsevier
ISSN:	2542-6605
Date of First Compliant Deposit:	11 July 2024
Date of Acceptance:	11 June 2024
Last Modified:	22 Aug 2024 22:15
URI:	https://orca.cardiff.ac.uk/id/eprint/170523

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