This work proposes a scalable, blockchain-based platform for the securesharing of COVID-19 or other disease vaccination certificates . We simulate a large-scale deployment by considering the countries of the European Union . The proposed platform is evaluated through extensivesimulations in terms of computing resource usage, network response time and bandwidth . Based on the results, the proposed scheme shows satisfactoryperformance across all major evaluation criteria, suggesting that it can set the pace for real implementations .

Author(s) : José Luis Hernández-Ramos, Georgios Karopoulos, Dimitris Geneiatakis, Tania Martin, Georgios Kambourakis, Igor Nai Fovino

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Keywords : blockchain - based - platform - vaccination - certificates -

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