AccScience Publishing / AIH / Online First / DOI: 10.36922/aih.2580
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Enhancing health-care security: The role of blockchain and consensus mechanisms

Asmaul Hosna1 ,  Nujhat Tabassum Rahman1 ,  Supriya Dewanjee1 ,  Zulfikar Alom1 ,  Elmustafa Sayed Ali Ahmed2,3* ,  Mohammad Abdul Azim1 ,  Rashid A. Saeed4
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1 Department of Computer Science, Asian University for Women, Chattogram, Bangladesh
2 Department of Electrical and Electronic Engineering, Faculty of Engineering, Red Sea University, Port Sudan, Sudan
3 Department of Electronics Engineering, Faculty of Engineering University of Science and Technology, Khartoum, Sudan
4 Department of Computer Engineering, College of Computers and Information Technology, Taif University, Taif, Saudi Arabia
AIH 2024, 1(2), 29–47; https://doi.org/10.36922/aih.2580
Submitted: 29 December 2023 | Accepted: 26 February 2024 | Published: 16 April 2024
© 2024 by the Author (s). This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution 4.0 International License ( https://creativecommons.org/licenses/by/4.0/ )
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Abstract

Blockchain technology has gained prominence recently by virtue of its strong security features for clinical data. Automation of blockchain transactions enables data transactions and records, providing decentralized, secure, and dependable access. Through intelligence-sharing agreements, it can also manage member relationships without the need for a middleman or other third party. Researchers in the health-care industry using blockchain algorithms to safeguard security of data, which is properly stored, are on the rise. In addition, this technology is patient adaptive. Patients and other health-care users can now trust the technology because it prevents any third party from accessing the medical data. Many platforms intended for use in the health-care domain are emerging, including Gem Health Network and MedRec. Using blockchain in health-care protects user data and grants them full authority over their data. However, blockchain technology is also confronting challenges and limitations regarding data privacy and storage capacity. This paper explores the implementation of blockchain within health-care sector while providing an overview of this technology and the different consensus algorithms used in blockchain technology.

Keywords
Blockchain
Health-care security
Electronic health records
COVID-19 pandemic
Genetic algorithm
Consensus mechanisms
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Conflict of interest
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Artificial Intelligence in Health, Electronic ISSN: 3029-2387 Published by AccScience Publishing
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