A Survey on the Integration of Blockchain With IoT to Enhance Performance and Eliminate Challenges

Internet of things IoT is playing a remarkable role in the advancement of many fields such as healthcare, smart grids, supply chain management, etc. It also eases people’s daily lives and enhances their interaction with each other as well as with their surroundings and the environment in...

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Main Authors: Alia Al Sadawi, Mohamed S. Hassan, Malick Ndiaye
Format: Article
Language:English
Published: IEEE 2021-01-01
Series:IEEE Access
Subjects:
IoT
Online Access:https://ieeexplore.ieee.org/document/9393912/
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spelling doaj-83068f0efb1a4fa584ec5fd8e5b80c0d2021-04-13T23:00:49ZengIEEEIEEE Access2169-35362021-01-019544785449710.1109/ACCESS.2021.30705559393912A Survey on the Integration of Blockchain With IoT to Enhance Performance and Eliminate ChallengesAlia Al Sadawi0https://orcid.org/0000-0002-1291-5617Mohamed S. Hassan1https://orcid.org/0000-0001-6318-0748Malick Ndiaye2https://orcid.org/0000-0003-4181-074XDepartment of Engineering Systems Management, American University of Sharjah, Sharjah, United Arab EmiratesDepartment of Electrical Engineering, American University of Sharjah, Sharjah, United Arab EmiratesDepartment of Engineering Systems Management, American University of Sharjah, Sharjah, United Arab EmiratesInternet of things IoT is playing a remarkable role in the advancement of many fields such as healthcare, smart grids, supply chain management, etc. It also eases people’s daily lives and enhances their interaction with each other as well as with their surroundings and the environment in a broader scope. IoT performs this role utilizing devices and sensors of different shapes and sizes ranging from small embedded sensors and wearable devices all the way to automated systems. However, IoT networks are growing in size, complexity, and number of connected devices. As a result, many challenges and problems arise such as security, authenticity, reliability, and scalability. Based on that and taking into account the anticipated evolution of the IoT, it is extremely vital not only to maintain but to increase confidence in and reliance on IoT systems by tackling the aforementioned issues. The emergence of blockchain opened the door to solve some challenges related to IoT networks. Blockchain characteristics such as security, transparency, reliability, and traceability make it the perfect candidate to improve IoT systems, solve their problems, and support their future expansion. This paper demonstrates the major challenges facing IoT systems and blockchain’s proposed role in solving them. It also evaluates the position of current researches in the field of merging blockchain with IoT networks and the latest implementation stages. Additionally, it discusses the issues related to the IoT-blockchain integration itself. Finally, this research proposes an architectural design to integrate IoT with blockchain in two layers using dew and cloudlet computing. Our aim is to benefit from blockchain features and services to guarantee a decentralized data storage and processing and address security and anonymity challenges and achieve transparency and efficient authentication service.https://ieeexplore.ieee.org/document/9393912/BlockchainIoTsmart contracttrustIoT challengesIoT security
collection DOAJ
language English
format Article
sources DOAJ
author Alia Al Sadawi
Mohamed S. Hassan
Malick Ndiaye
spellingShingle Alia Al Sadawi
Mohamed S. Hassan
Malick Ndiaye
A Survey on the Integration of Blockchain With IoT to Enhance Performance and Eliminate Challenges
IEEE Access
Blockchain
IoT
smart contract
trust
IoT challenges
IoT security
author_facet Alia Al Sadawi
Mohamed S. Hassan
Malick Ndiaye
author_sort Alia Al Sadawi
title A Survey on the Integration of Blockchain With IoT to Enhance Performance and Eliminate Challenges
title_short A Survey on the Integration of Blockchain With IoT to Enhance Performance and Eliminate Challenges
title_full A Survey on the Integration of Blockchain With IoT to Enhance Performance and Eliminate Challenges
title_fullStr A Survey on the Integration of Blockchain With IoT to Enhance Performance and Eliminate Challenges
title_full_unstemmed A Survey on the Integration of Blockchain With IoT to Enhance Performance and Eliminate Challenges
title_sort survey on the integration of blockchain with iot to enhance performance and eliminate challenges
publisher IEEE
series IEEE Access
issn 2169-3536
publishDate 2021-01-01
description Internet of things IoT is playing a remarkable role in the advancement of many fields such as healthcare, smart grids, supply chain management, etc. It also eases people’s daily lives and enhances their interaction with each other as well as with their surroundings and the environment in a broader scope. IoT performs this role utilizing devices and sensors of different shapes and sizes ranging from small embedded sensors and wearable devices all the way to automated systems. However, IoT networks are growing in size, complexity, and number of connected devices. As a result, many challenges and problems arise such as security, authenticity, reliability, and scalability. Based on that and taking into account the anticipated evolution of the IoT, it is extremely vital not only to maintain but to increase confidence in and reliance on IoT systems by tackling the aforementioned issues. The emergence of blockchain opened the door to solve some challenges related to IoT networks. Blockchain characteristics such as security, transparency, reliability, and traceability make it the perfect candidate to improve IoT systems, solve their problems, and support their future expansion. This paper demonstrates the major challenges facing IoT systems and blockchain’s proposed role in solving them. It also evaluates the position of current researches in the field of merging blockchain with IoT networks and the latest implementation stages. Additionally, it discusses the issues related to the IoT-blockchain integration itself. Finally, this research proposes an architectural design to integrate IoT with blockchain in two layers using dew and cloudlet computing. Our aim is to benefit from blockchain features and services to guarantee a decentralized data storage and processing and address security and anonymity challenges and achieve transparency and efficient authentication service.
topic Blockchain
IoT
smart contract
trust
IoT challenges
IoT security
url https://ieeexplore.ieee.org/document/9393912/
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