期刊
IEEE INTERNET OF THINGS JOURNAL
卷 9, 期 2, 页码 964-988出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JIOT.2021.3119639
关键词
Blockchains; Internet of Things; Security; Edge computing; Medical services; Smart transportation; Smart grids; Blockchain; edge computing; Edge of Things (EoT); industrial applications; Internet of Things (IoT); security
资金
- National Research Foundation of Korea (NRF) - Korean Government (MSIT) [NRF-2019R1C1C1006143, NRF2019R1I1A3A01060518]
- Institute of Information and Communications Technology Planning and Evaluation (IITP) - Korea Government (MSIT) [2020-0-01450]
- Ministry of Science and ICT (MSIT), South Korea [IITP-2021-2016-0-00318]
- BK21 Four, Korean Southeast Center for the 4th Industrial Revolution Leader Education
- Pusan National University
- Nanyang Technological University Startup Grant
- National Research Foundation of Korea [2019R1C1C1006143] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
This article reviews the latest developments in BEoT technology and explores its opportunities in various application domains. The survey starts with an introduction to blockchain and EoT, followed by discussions on the application of BEoT in industries such as smart transportation, smart city, smart healthcare, smart home, and smart grid. It also analyzes the security challenges and key services in the BEoT paradigm.
In recent years, blockchain networks have attracted significant attention in many research areas beyond cryptocurrency, one of them being the Edge of Things (EoT) that is enabled by the combination of edge computing and the Internet of Things (IoT). In this context, blockchain networks enabled with unique features, such as decentralization, immutability, and traceability, have the potential to reshape and transform the conventional EoT systems with higher security levels. Particularly, the convergence of blockchain and EoT leads to a new paradigm, called BEoT that has been regarded as a promising enabler for future services and applications. In this article, we present a state-of-the-art review of recent developments in the BEoT technology and discover its great opportunities in many application domains. We start our survey by providing an updated introduction to blockchain and EoT along with their recent advances. Subsequently, we discuss the use of BEoT in a wide range of industrial applications, from smart transportation, smart city, smart healthcare to smart home, and smart grid. Security challenges in the BEoT paradigm are also discussed and analyzed, with some key services, such as access authentication, data privacy preservation, attack detection, and trust management. Finally, some key research challenges and future directions are also highlighted to instigate further research in this promising area.
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