Cited by 323Blockchain Technology Applications and SecurityIoT and Edge/Fog ComputingInternet of Things and AI

Convergence of Blockchain and Edge Computing for Secure and Scalable IIoT Critical Infrastructures in Industry 4.0

Open access
Wu, Yulei, Dai, Hong-Ning, Wang, Hao·2021·IEEE Internet of Things Journal

Abstract

Critical infrastructure systems are vital to underpin the functioning of a society and economy. Due to the ever-increasing number of Internet-connected Internet-of-Things (IoT)/Industrial IoT (IIoT), and the high volume of data generated and collected, security and scalability are becoming burning concerns for critical infrastructures in industry 4.0. The blockchain technology is essentially a distributed and secure ledger that records all the transactions into a hierarchically expanding chain of blocks. Edge computing brings the cloud capabilities closer to the computation tasks. The convergence of blockchain and edge computing paradigms can overcome the existing security and scalability issues. In this article, we first introduce the IoT/IIoT critical infrastructure in industry 4.0, and then we briefly present the blockchain and edge computing paradigms. After that, we show how the convergence of these two paradigms can enable secure and scalable critical infrastructures. Then, we provide a survey on the state of the art for security and privacy and scalability of IoT/IIoT critical infrastructures. A list of potential research challenges and open issues in this area is also provided, which can be used as useful resources to guide future research.

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Crossref · 10.1109/jiot.2020.3025916

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Authors
Wu, Y., Dai, H.-N., & Wang, H.
Affiliations
  • University of Exeter (GB)
  • Macau University of Science and Technology (MO)
  • Norwegian University of Science and Technology (NO)
Venue
IEEE Internet of Things Journal
Published
2021-02-15
Volume
8
Issue
4
Pages
2300-2317
ISSN
  • 2327-4662 (ISSN-L)
  • 2372-2541
OpenAlex
W3089096050
Cited by
323
References
6
Citations by year
2026: 17 · 2025: 53 · 2024: 63 · 2023: 60 · 2022: 73 · 2021: 50 · 2020: 7
FWCI
44.66
Type
journal article
Language
en
Open access
Locations
  • IEEE Internet of Things Journal (publishedVersion)
  • Open Research Exeter (University of Exeter) (acceptedVersion)
  • Figshare (submittedVersion)
  • NORA - Norwegian Open Research Archives (submittedVersion, other-oa)
Funders
  • Engineering and Physical Sciences Research Council, U.K. (EP/R030863/1)
  • Macao Science and Technology Development Fund (0026/2018/A1)
Topics
  • Physical Sciences › Computer Science › Information Systems › Blockchain Technology Applications and Security
  • Physical Sciences › Computer Science › Computer Networks and Communications › IoT and Edge/Fog Computing
  • Physical Sciences › Computer Science › Information Systems › Internet of Things and AI
Keywords
blockchain, edge computing, Industrial Internet of Things, critical infrastructure security, scalability, privacy, Industry 4.0, distributed ledger technology, Internet of Things security

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