Applications of Blockchains in the Internet of Things : A Comprehensive Survey

Ali, Muhammad Salek and Vecchio, Massimo and Pincheira, Miguel and Dolui, Koustabh and Antonelli, Fabio and Rehmani, Mubashir Husain (2019) Applications of Blockchains in the Internet of Things : A Comprehensive Survey. IEEE Communications Surveys and Tutorials, 21 (2). pp. 1676-1717. ISSN 1553-877X

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Abstract

The blockchain technology has revolutionized the digital currency space with the pioneering cryptocurrency platform named Bitcoin. From an abstract perspective, a blockchain is a distributed ledger capable of maintaining an immutable log of transactions happening in a network. In recent years, this technology has attracted significant scientific interest in research areas beyond the financial sector, one of them being the Internet of Things (IoT). In this context, the blockchain is seen as the missing link toward building a truly decentralized, trustless, and secure environment for the IoT and, in this survey, we aim to shape a coherent and comprehensive picture of the current state-of-the-art efforts in this direction. We start with fundamental working principles of blockchains and how blockchain-based systems achieve the characteristics of decentralization, security, and auditability. From there, we build our narrative on the challenges posed by the current centralized IoT models, followed by recent advances made both in industry and research to solve these challenges and effectively use blockchains to provide a decentralized, secure medium for the IoT.

Item Type:	Article
Additional Information:	Publisher Copyright: © 1998-2012 IEEE.
Uncontrolled Keywords:	/dk/atira/pure/subjectarea/asjc/2200/2208
Departments or Groups:
Depositing User:	Admin SSL
Date Deposited:	19 Oct 2022 20:05
Last Modified:	14 Aug 2023 02:15
URI:	http://repository-testing.wit.ie/id/eprint/3566

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