A Survey on Blockchain-Based IoMT Systems: Towards Scalability

Recently, blockchain-based Internet of Medical Things (IoMT) has started to receive more attention in the healthcare domain as it not only improves the care quality using real-time and continuous monitoring but also minimizes the cost of care. However, there is a clear trend to include many entities...

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Autores principales:	Amirhossein Adavoudi Jolfaei, Seyed Farhad Aghili, Dave Singelee
Formato:	article
Lenguaje:	EN
Publicado:	IEEE 2021
Materias:	Internet of Medical Things (IoMT) blockchain cloud scalability healthcare security Electrical engineering. Electronics. Nuclear engineering TK1-9971
Acceso en línea:	https://doaj.org/article/a90aa5eeb15d4e97883aec8895cf2600
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spelling	oai:doaj.org-article:a90aa5eeb15d4e97883aec8895cf26002021-11-18T00:09:38ZA Survey on Blockchain-Based IoMT Systems: Towards Scalability2169-353610.1109/ACCESS.2021.3117662https://doaj.org/article/a90aa5eeb15d4e97883aec8895cf26002021-01-01T00:00:00Zhttps://ieeexplore.ieee.org/document/9558760/https://doaj.org/toc/2169-3536Recently, blockchain-based Internet of Medical Things (IoMT) has started to receive more attention in the healthcare domain as it not only improves the care quality using real-time and continuous monitoring but also minimizes the cost of care. However, there is a clear trend to include many entities in IoMT systems, such as IoMT sensor nodes, IoT wearable medical devices, patients, healthcare centers, and insurance companies. This makes it challenging to design a blockchain framework for these systems where scalability is a most critical factor in blockchain technology. Motivated by this observation, in this survey we review the state-of-the-art in blockchain-IoMT systems. Comparison and analysis of such systems prove that there is a substantial gap, which is the negligence of scalability. In this survey, we discuss several approaches proposed in the literature to improve the scalability of blockchain technology, and thus overcoming the above mentioned research gap. These approaches include on-chain and off-chain techniques, based on which we give recommendations and directions to facilitate designing a scalable blockchain-based IoMT system. We also recommended that a designer considers the well-known trilemma along with the various dimensions of a scalable blockchain system to prevent sacrificing security and decentralization as well. Moreover, we raise several research questions regarding benchmarking; addressing these questions could help designers determining the existing bottlenecks, leading to a scalable blockchain.Amirhossein Adavoudi JolfaeiSeyed Farhad AghiliDave SingeleeIEEEarticleInternet of Medical Things (IoMT)blockchaincloudscalabilityhealthcaresecurityElectrical engineering. Electronics. Nuclear engineeringTK1-9971ENIEEE Access, Vol 9, Pp 148948-148975 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Internet of Medical Things (IoMT) blockchain cloud scalability healthcare security Electrical engineering. Electronics. Nuclear engineering TK1-9971
spellingShingle	Internet of Medical Things (IoMT) blockchain cloud scalability healthcare security Electrical engineering. Electronics. Nuclear engineering TK1-9971 Amirhossein Adavoudi Jolfaei Seyed Farhad Aghili Dave Singelee A Survey on Blockchain-Based IoMT Systems: Towards Scalability
description	Recently, blockchain-based Internet of Medical Things (IoMT) has started to receive more attention in the healthcare domain as it not only improves the care quality using real-time and continuous monitoring but also minimizes the cost of care. However, there is a clear trend to include many entities in IoMT systems, such as IoMT sensor nodes, IoT wearable medical devices, patients, healthcare centers, and insurance companies. This makes it challenging to design a blockchain framework for these systems where scalability is a most critical factor in blockchain technology. Motivated by this observation, in this survey we review the state-of-the-art in blockchain-IoMT systems. Comparison and analysis of such systems prove that there is a substantial gap, which is the negligence of scalability. In this survey, we discuss several approaches proposed in the literature to improve the scalability of blockchain technology, and thus overcoming the above mentioned research gap. These approaches include on-chain and off-chain techniques, based on which we give recommendations and directions to facilitate designing a scalable blockchain-based IoMT system. We also recommended that a designer considers the well-known trilemma along with the various dimensions of a scalable blockchain system to prevent sacrificing security and decentralization as well. Moreover, we raise several research questions regarding benchmarking; addressing these questions could help designers determining the existing bottlenecks, leading to a scalable blockchain.
format	article
author	Amirhossein Adavoudi Jolfaei Seyed Farhad Aghili Dave Singelee
author_facet	Amirhossein Adavoudi Jolfaei Seyed Farhad Aghili Dave Singelee
author_sort	Amirhossein Adavoudi Jolfaei
title	A Survey on Blockchain-Based IoMT Systems: Towards Scalability
title_short	A Survey on Blockchain-Based IoMT Systems: Towards Scalability
title_full	A Survey on Blockchain-Based IoMT Systems: Towards Scalability
title_fullStr	A Survey on Blockchain-Based IoMT Systems: Towards Scalability
title_full_unstemmed	A Survey on Blockchain-Based IoMT Systems: Towards Scalability
title_sort	survey on blockchain-based iomt systems: towards scalability
publisher	IEEE
publishDate	2021
url	https://doaj.org/article/a90aa5eeb15d4e97883aec8895cf2600
work_keys_str_mv	AT amirhosseinadavoudijolfaei asurveyonblockchainbasediomtsystemstowardsscalability AT seyedfarhadaghili asurveyonblockchainbasediomtsystemstowardsscalability AT davesingelee asurveyonblockchainbasediomtsystemstowardsscalability AT amirhosseinadavoudijolfaei surveyonblockchainbasediomtsystemstowardsscalability AT seyedfarhadaghili surveyonblockchainbasediomtsystemstowardsscalability AT davesingelee surveyonblockchainbasediomtsystemstowardsscalability
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A Survey on Blockchain-Based IoMT Systems: Towards Scalability

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