A Privacy-preserving Covid-19 Updatable Test Result and Vaccination Provenance based on Blockchain and Smart contract

遥感信息 Pub Date : 2019-12-20 DOI:10.1109/ICMRSISIIT46373.2020.9405872

J. Odoom, R. S. Soglo, S. Danso, Hua Xiaofang

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引用次数: 7

Abstract

It is undisputable fact that Coronavirus pandemic will go into the annals of history as one of the devastating plagues. From the healthcare perspective, a lot of efforts are underway geared towards testing, management and vaccination whereas industry and research communities explore innovative solutions. Quite a number of solutions have emerged zooming in on contact tracing, combating misinformation, data aggregation and analysis as well as test result certification with blockchain technology been the core. Aside the reliance on centralized architectures and use of permissioned/consortium blockchain, conspicuously missing in existing solutions based on blockchain is the work around the immutability feature of the technology given the fact that a person’s test result is not static but dynamic. In this paper, we propose a solution using blockchain and smart contract that allows for state changes to be made by authorized entities. We leverage distributed storage technology using InterPlanetary File System (IPFS) for storage of user encrypted records and subsequent retrieval for verification purposes. We extend our solution by incorporating vaccination status to provide comprehensive source of information and show proof of concept. The full code of our proposed solution is made publicly available on GitHub.

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基于区块链和智能合约的Covid-19可更新测试结果和疫苗来源的隐私保护

冠状病毒大流行将作为一场毁灭性的瘟疫载入史册，这是不争的事实。从医疗保健的角度来看，正在进行大量针对测试、管理和疫苗接种的工作，而工业界和研究界正在探索创新的解决方案。以区块链技术为核心的接触者追踪、打击错误信息、数据聚合和分析以及测试结果认证等解决方案已经出现了不少。除了依赖集中式架构和使用许可/联盟区块链之外，基于区块链的现有解决方案中明显缺少的是围绕该技术的不变性特性的工作，因为一个人的测试结果不是静态的，而是动态的。在本文中，我们提出了一个使用区块链和智能合约的解决方案，该解决方案允许授权实体进行状态更改。我们利用分布式存储技术，使用星际文件系统(IPFS)存储用户加密记录，并随后检索以进行验证。我们通过纳入疫苗接种状态来扩展我们的解决方案，以提供全面的信息来源并展示概念证明。我们提出的解决方案的完整代码在GitHub上公开提供。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

遥感信息

自引率

0.00%

发文量

3984

期刊介绍： Remote Sensing Information is a bimonthly academic journal supervised by the Ministry of Natural Resources of the People's Republic of China and sponsored by China Academy of Surveying and Mapping Science. Since its inception in 1986, it has been one of the authoritative journals in the field of remote sensing in China.In 2014, it was recognised as one of the first batch of national academic journals, and was awarded the honours of Core Journals of China Science Citation Database, Chinese Core Journals, and Core Journals of Science and Technology of China. The journal won the Excellence Award (First Prize) of the National Excellent Surveying, Mapping and Geographic Information Journal Award in 2011 and 2017 respectively. Remote Sensing Information is dedicated to reporting the cutting-edge theoretical and applied results of remote sensing science and technology, promoting academic exchanges at home and abroad, and promoting the application of remote sensing science and technology and industrial development. The journal adheres to the principles of openness, fairness and professionalism, abides by the anonymous review system of peer experts, and has good social credibility. The main columns include Review, Theoretical Research, Innovative Applications, Special Reports, International News, Famous Experts' Forum, Geographic National Condition Monitoring, etc., covering various fields such as surveying and mapping, forestry, agriculture, geology, meteorology, ocean, environment, national defence and so on. Remote Sensing Information aims to provide a high-level academic exchange platform for experts and scholars in the field of remote sensing at home and abroad, to enhance academic influence, and to play a role in promoting and supporting the protection of natural resources, green technology innovation, and the construction of ecological civilisation.