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基于可追溯区块链的疫苗接种记录存储和共享系统。

A Traceable Blockchain-Based Vaccination Record Storage and Sharing System.

机构信息

Department of Infectious Diseases, The First Affiliated Hospital of Xiamen University, Xiamen 361003, China.

School of Electronic Information Science, Fujian Jiangxia University, Fuzhou 35010, China.

出版信息

J Healthc Eng. 2022 Mar 9;2022:2211065. doi: 10.1155/2022/2211065. eCollection 2022.

DOI:10.1155/2022/2211065
PMID:35310180
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8926549/
Abstract

Blockchain technology is essentially a decentralized database maintained by relevant parties and has been widely used in various scenarios such as logistics and finance. In terms of applications in the medical field, it is becoming more and more important because the patient's symptoms may be related to a certain vaccine. Whether the patient has been vaccinated with this vaccine will lead to different diagnostic results by the doctor. However, in the current vaccination environment of many regions, the vaccination record (VR) can only be kept in the patient's vaccination booklet, which is easy to lose or destroy. Therefore, the doctor needs to retrieve the patient's VR through a centralized database maintained by the government, which is time-consuming and will increase the medical risk. This study proposes a traceable blockchain-based vaccination record storage and sharing system. In the proposed system, the patient gets the vaccination at any legal clinic and the VR can be saved accompanied by the signature into the blockchain center, which ensures traceability. When the patient visits the hospital for treatment, the doctor can obtain the detail of the VR from the blockchain center and then make a diagnosis. The security of the proposed system will be protected by the programmed smart contracts. Through mutual authentication, our system can also provide and guarantee data integrity and nonrepudiation. Moreover, the proposed system has resistance to replay and man-in-the-middle attacks, and the performance is good.

摘要

区块链技术本质上是一个由相关方维护的去中心化数据库,已广泛应用于物流和金融等各种场景。在医疗领域的应用方面,它变得越来越重要,因为患者的症状可能与某种疫苗有关。患者是否接种过这种疫苗,会导致医生得出不同的诊断结果。然而,在许多地区当前的疫苗接种环境下,接种记录 (VR) 只能保存在患者的接种簿中,这容易导致丢失或损坏。因此,医生需要通过政府维护的集中式数据库来检索患者的 VR,这既耗时又会增加医疗风险。本研究提出了一种基于区块链的可追溯疫苗接种记录存储和共享系统。在提出的系统中,患者在任何合法的诊所接种疫苗,并且可以在签名的同时将 VR 保存到区块链中心,从而确保可追溯性。当患者到医院就诊时,医生可以从区块链中心获取 VR 的详细信息,然后进行诊断。所提出系统的安全性将由编程智能合约保护。通过相互认证,我们的系统还可以提供和保证数据完整性和不可否认性。此外,所提出的系统具有抗重放和中间人攻击的能力,并且性能良好。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0673/8926549/aace35f88b75/JHE2022-2211065.alg.005.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0673/8926549/1afe91519aca/JHE2022-2211065.001.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0673/8926549/2208b8c950b3/JHE2022-2211065.006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0673/8926549/38d1c4f61c07/JHE2022-2211065.007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0673/8926549/96ad0fd2cd23/JHE2022-2211065.alg.001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0673/8926549/3cca2cbfedc0/JHE2022-2211065.alg.002.jpg
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