Design and Implementation of Coronavirus Vaccines Information Traceability System based on Blockchain

At the moment of COVID-19’s continuing popularity, vaccination has become a necessary measure to fight against the COVID-19 under the community of common destiny. In order to provide more reliable vaccines traceability information that will not be tampered with and improve the worldwide COVID-19 vaccination management system, we designed and implemented a COVID-19 vaccines information traceability system. The system has three major functions. Firstly, with the help of blockchain technology, the system provides reliable input and query of traceability information for the production and transportation of COVID-19 vaccines. Secondly, it provides the historical injection information of COVID-19 vaccines. Thirdly, it realizes the safe conversion from historical injection information to QR code. The COVID-19 vaccines information traceability system not only allows people to inquire absolutely true vaccines traceability information, but also provides a standardized management platform of the COVID-19 vaccines for citizens and governments all over the world.