The article discusses the rapid evolution of vaccine passports amid the COVID-19 pandemic. Countries like Iceland, Poland, and Greece are leading the charge, with Greece pushing for a unified European vaccine certificate to boost tourism. While Greece’s certificate aims to simplify travel by allowing QR codes for vaccinated individuals, there are challenges including standardization, security, and the risk of counterfeiting. Experts emphasize the need for robust verification and dynamic updates. The push for these digital certificates could revolutionize travel and identification, potentially leading to a future of passport-less travel supported by advanced biometrics and cloud technology.

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