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Scalability of blockchain: a comprehensive review and future research direction

This comprehensive review paper examines the challenges faced by blockchain technology in terms of scalability and proposes potential solutions and future research directions. Scalability poses a significant hurdle for Bitcoin and Ethereum, manifesting as low throughput, extended transaction delays,...

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Main Authors: Rao, Iqra Sadia, Kiah, M. L. Mat, Hameed, M. Muzaffar, Memon, Zain Anwer
Format: Article
Published: Kluwer (now part of Springer) 2024
Subjects:
QA75 Electronic computers. Computer science
Online Access:http://eprints.um.edu.my/47046/
https://doi.org/10.1007/s10586-023-04257-7
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spelling my.um.eprints.470462025-01-06T04:04:52Z http://eprints.um.edu.my/47046/ Scalability of blockchain: a comprehensive review and future research direction Rao, Iqra Sadia Kiah, M. L. Mat Hameed, M. Muzaffar Memon, Zain Anwer QA75 Electronic computers. Computer science This comprehensive review paper examines the challenges faced by blockchain technology in terms of scalability and proposes potential solutions and future research directions. Scalability poses a significant hurdle for Bitcoin and Ethereum, manifesting as low throughput, extended transaction delays, and excessive energy consumption, thereby compromising efficiency. The current state of blockchain scalability is analyzed, encompassing the limitations of existing solutions such as Sharding and off-chain scaling. Various proposed remedies, including layer 2 scaling solutions, consensus mechanisms, and alternative approaches, are investigated. The paper also explores the impact of scalability on diverse blockchain applications and identifies potential future research directions by integrating data science techniques with blockchain technology. Notably, nearly 110 primary research papers from reputable scientific databases like Scopus, IEEE Explore, Science Direct, and Web of Science were reviewed, demonstrating scalability in blockchain comprising several elements. Transaction throughput and network latency emerge as the most prominent concerns. Consequently, this review offers future research avenues to address scalability challenges by leveraging data science techniques like distributed computing and parallel processing to divide and process vast datasets across multiple machines. The synergy between data science and blockchain holds promise as an optimal solution. Overall, this up-to-date understanding of blockchain scalability is invaluable to researchers, practitioners, and policy makers engaged in this domain. Kluwer (now part of Springer) 2024-08 Article PeerReviewed Rao, Iqra Sadia and Kiah, M. L. Mat and Hameed, M. Muzaffar and Memon, Zain Anwer (2024) Scalability of blockchain: a comprehensive review and future research direction. Cluster Computing, 27 (5). pp. 5547-5570. ISSN 1386-7857, DOI https://doi.org/10.1007/s10586-023-04257-7 <https://doi.org/10.1007/s10586-023-04257-7>. https://doi.org/10.1007/s10586-023-04257-7 10.1007/s10586-023-04257-7
institution Universiti Malaya
building UM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaya
content_source UM Research Repository
url_provider http://eprints.um.edu.my/
topic QA75 Electronic computers. Computer science
spellingShingle QA75 Electronic computers. Computer science
Rao, Iqra Sadia
Kiah, M. L. Mat
Hameed, M. Muzaffar
Memon, Zain Anwer
Scalability of blockchain: a comprehensive review and future research direction
description This comprehensive review paper examines the challenges faced by blockchain technology in terms of scalability and proposes potential solutions and future research directions. Scalability poses a significant hurdle for Bitcoin and Ethereum, manifesting as low throughput, extended transaction delays, and excessive energy consumption, thereby compromising efficiency. The current state of blockchain scalability is analyzed, encompassing the limitations of existing solutions such as Sharding and off-chain scaling. Various proposed remedies, including layer 2 scaling solutions, consensus mechanisms, and alternative approaches, are investigated. The paper also explores the impact of scalability on diverse blockchain applications and identifies potential future research directions by integrating data science techniques with blockchain technology. Notably, nearly 110 primary research papers from reputable scientific databases like Scopus, IEEE Explore, Science Direct, and Web of Science were reviewed, demonstrating scalability in blockchain comprising several elements. Transaction throughput and network latency emerge as the most prominent concerns. Consequently, this review offers future research avenues to address scalability challenges by leveraging data science techniques like distributed computing and parallel processing to divide and process vast datasets across multiple machines. The synergy between data science and blockchain holds promise as an optimal solution. Overall, this up-to-date understanding of blockchain scalability is invaluable to researchers, practitioners, and policy makers engaged in this domain.
format Article
author Rao, Iqra Sadia
Kiah, M. L. Mat
Hameed, M. Muzaffar
Memon, Zain Anwer
author_facet Rao, Iqra Sadia
Kiah, M. L. Mat
Hameed, M. Muzaffar
Memon, Zain Anwer
author_sort Rao, Iqra Sadia
title Scalability of blockchain: a comprehensive review and future research direction
title_short Scalability of blockchain: a comprehensive review and future research direction
title_full Scalability of blockchain: a comprehensive review and future research direction
title_fullStr Scalability of blockchain: a comprehensive review and future research direction
title_full_unstemmed Scalability of blockchain: a comprehensive review and future research direction
title_sort scalability of blockchain: a comprehensive review and future research direction
publisher Kluwer (now part of Springer)
publishDate 2024
url http://eprints.um.edu.my/47046/
https://doi.org/10.1007/s10586-023-04257-7
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score 13.22586

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