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Design of a Digital Vaccination Certificate System Leveraging Consortium Blockchains.

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Bibliographic Details
Title: Design of a Digital Vaccination Certificate System Leveraging Consortium Blockchains.
Authors: Shu-Fen Tu1 dsf3@ulive.pccu.edu.tw, Ching-Sheng Hsu2 cshsu@mail.mcu.edu.tw, Yu-Min Chiang3 jack190919jiang@gmail.com
Source: IAENG International Journal of Computer Science. Jun2025, Vol. 52 Issue 6, p1672-1682. 11p.
Subject Terms: Vaccine passports, Blockchains, Digital certificates, Digital signatures, Two-dimensional bar codes
Abstract: During the initial outbreak of Covid-19, many countries invested in vaccine research, development, and distribution. Some countries require immigrants to present a vaccination certificate and comply with the country's inspection regulations. Various international methods for inspecting vaccination certificates were proposed. Still, they often had drawbacks such as inconsistent inspection standards, inefficiency, and an inability to verify the authenticity of the inspected individual. Although life has essentially returned to normal, and most countries no longer mandate vaccination certificates for immigrants, such certificates will likely be required again if new influenza viruses emerge. Therefore, addressing the issues related to vaccination certification and developing better inspection methods is crucial. In our research, we have introduced a digital vaccination certification system designed for use among multiple trusted countries, which combines consortium blockchains, digital signatures, QR codes, and facial recognition. Our proposed solution addresses the shortcomings of current vaccine passports and vaccination certification systems, providing significant assistance in managing COVID-19 and potential future pandemics. [ABSTRACT FROM AUTHOR]
Database: Supplemental Index
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