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Blockchain and smart contract for access control in healthcare: A survey, issues and challenges, and open issues
Journal of Network and Computer Applications ( IF 8.7 ) Pub Date : 2020-12-31 , DOI: 10.1016/j.jnca.2020.102950
Mehdi Sookhak , Mohammad Reza Jabbarpour , Nader Sohrabi Safa , F. Richard Yu

Emerging technologies are playing a critical role in the evolution of healthcare systems by presenting eHealth to provide high-quality services and better health to wide-range of patients. Achieving the eHealth goals highly depends on employing modern information and communication technologies (ICTs) to securely and efficiently collect and transmit electronic health records (EHRs) and make them accessible to authorized users and healthcare providers. However, the adoption of EHRs in healthcare providers puts the patients’ privacy and their information security at risk of data breaches. The advent of smart contracts and blockchain technology paves a way for developing efficient EHR access control methods to support secure identification, authentication, and authorization of the clients. This paper delineates an extensive survey on the state-of-the-art blockchain-based access control methods in healthcare domain as a basis for categorizing the existing and future developments in access control area. A thematic taxonomy of the blockchain-based access control methods is also presented to recognize the security issues of the existing methods and highlight the fundamental security requirements to design a granular access control method. This paper also aims for examining the similarities and differences of the traditional access control methods and describes some substantial and outstanding issues and challenges as further directions.



中文翻译:

用于医疗保健访问控制的区块链和智能合约:调查,问题和挑战以及未解决的问题

新兴技术通过展示eHealth为广泛的患者提供高质量的服务和更好的健康状况,在医疗保健系统的发展中起着至关重要的作用。实现eHealth的目标高度依赖于采用现代信息和通信技术(ICT)来安全有效地收集和传输电子健康记录(EHR),并使授权用户和医疗保健提供者可以访问它们。但是,在医疗保健提供者中采用EHR会使患者的隐私及其信息安全面临数据泄露的风险。智能合约和区块链技术的出现为开发有效的EHR访问控制方法提供了一种方法,以支持客户端的安全标识,身份验证和授权。本文概述了医疗领域基于区块链的最新访问控制方法的广泛调查,以此作为对访问控制领域中现有和未来发展进行分类的基础。还提出了基于区块链的访问控制方法的主题分类法,以认识到现有方法的安全性问题,并着重强调设计粒度访问控制方法的基本安全要求。本文还旨在研究传统访问控制方法的异同,并描述一些实质性的,突出的问题和挑战,作为进一步的发展方向。还提出了基于区块链的访问控制方法的主题分类法,以认识到现有方法的安全性问题,并着重强调设计粒度访问控制方法的基本安全要求。本文还旨在研究传统访问控制方法的异同,并描述一些实质性的,突出的问题和挑战,作为进一步的发展方向。还提出了基于区块链的访问控制方法的主题分类法,以认识到现有方法的安全性问题,并着重强调设计粒度访问控制方法的基本安全要求。本文还旨在研究传统访问控制方法的异同,并描述一些实质性的,突出的问题和挑战,作为进一步的发展方向。

更新日期:2021-01-13
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