Umer Majeed
Blockchain for IoT-based smart cities: Recent advances, requirements, and future challenges
Majeed, Umer; Khan, Latif U.; Yaqoob, Ibrar; Kazmi, S.M. Ahsan; Salah, Khaled; Hong, Choong Seon
Authors
Latif U. Khan
Ibrar Yaqoob
Ahsan Kazmi Ahsan.Kazmi@uwe.ac.uk
Senior Lecturer in Computer Science
Khaled Salah
Choong Seon Hong
Abstract
A remarkable interest in the Internet of Things (IoT)-based smart cities from both academia and industry has been observed in recent years. Smart cities can offer various smart applications such as intelligent transportation, industry 4.0, smart banking, among others, for boosting the life quality of citizens. Security is one of the key challenges of a smart city. One can enable smart cities with a blockchain to offer enhanced security via storing transactions in a secure, transparent, decentralized, and immutable ledger. However, both blockchain and smart cities are in their infancy and significant research efforts are needed to integrate them. In this paper, we comprehensively review the role of blockchain in enabling IoT-based smart cities. First, we present the evolution of blockchain technology in terms of constituent technologies, consensus algorithms, and blockchain platforms. Second, we discuss and critically evaluate various smart applications enabled by blockchain. Third, we present real-world blockchain implementation in smart cities as case studies. Fourth, we present the key requirements to integrate blockchain with smart cities. Finally, we present open research challenges along with their key causes and possible solutions.
Citation
Majeed, U., Khan, L. U., Yaqoob, I., Kazmi, S. A., Salah, K., & Hong, C. S. (2021). Blockchain for IoT-based smart cities: Recent advances, requirements, and future challenges. Journal of Network and Computer Applications, 181, Article 103007. https://doi.org/10.1016/j.jnca.2021.103007
Journal Article Type | Article |
---|---|
Acceptance Date | Jan 29, 2021 |
Online Publication Date | Feb 16, 2021 |
Publication Date | May 1, 2021 |
Deposit Date | Jun 24, 2023 |
Journal | Journal of Network and Computer Applications |
Print ISSN | 1084-8045 |
Electronic ISSN | 1095-8592 |
Publisher | Elsevier |
Peer Reviewed | Peer Reviewed |
Volume | 181 |
Article Number | 103007 |
DOI | https://doi.org/10.1016/j.jnca.2021.103007 |
Keywords | Blockchain, Ethereum, Internet of Things, Smart city, Security, Smart contracts, Smart environments |
Public URL | https://uwe-repository.worktribe.com/output/10582739 |
Publisher URL | https://www.sciencedirect.com/science/article/pii/S1084804521000345 |
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