一个有效的基于区块链的智能合约系统,用于保护智能医疗应用中的电子医疗数据

Ansar Sonya, G. Kavitha
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引用次数: 1

摘要

在当今世界,数据管理在智能医疗保健应用程序中发挥着关键作用。然而,数据可用性、可信度、机密性和安全性是当前医疗保健数据管理系统面临的主要问题。现代医疗保健系统使用集中方式管理电子医疗记录(EMR),这增加了发生自然灾害时的单点故障。在本文中,提出了一种新的健壮的基于区块链的医疗云(BC - MedCl)框架,用于在患者和医生之间提供安全的电子病历共享。首先,物联网(IoT)设备将定期收集患者的健康相关数据。然后,提议的框架将加密的emr存储在云存储中,同时将其相关的哈希值放入区块链中。最后,开发了一种基于分散选择智能合约的访问控制机制,以增强所提出系统的安全性。已使用以太坊平台评估了所提议架构的原型文件共享性能。性能结果表明,与现有系统相比,所提出的区块链框架更有效地处理实时医疗保健系统中的EMR,准确率为98.7%,延迟率为25%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
An effective blockchain‐based smart contract system for securing electronic medical data in smart healthcare application
In today's world, data management plays a key role in smart healthcare applications. However, data availability, trustworthiness, confidentiality, and security are the major issues faced by current healthcare data management systems. The modern healthcare systems manage Electronic Medical Records (EMR) using a centralized manner, which increases the single point of failure in the event of a natural catastrophe. In this paper, a new robust Blockchain‐based Medical Cloud (BC‐MedCl) framework has been proposed to provide secure EMR sharing between patient and doctor. Primarily, Internet of Things (IoT) devices will gather the health‐related data of the patient periodically. The proposed framework then stores the encrypted EMRs in cloud storage while their correlating hash values are placed into the blockchain. Finally, a decentralized selective smart contract‐based access control mechanism is developed to enhance the security of the proposed system. The prototype file‐sharing performance of the proposed architecture has been evaluated using the Ethereum platform. The performance results manifest that the proposed blockchain framework is more effective to handle EMR in the real‐time healthcare system with a superior accuracy ratio of 98.7% and a lesser latency ratio of 25% as compared with the existing systems.
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