Privacy and cryptography experts are concerned about Australia's potential plans to use QR code check-in applications for vaccine certifications, InnovationAus reports. Venues would use an app that scans an individual's QR code and accesses the Australian Immunisation Register to verify their status, which is not as privacy-protective as the EU's digital vaccine certification system. By accessing the register for verification, the register would be notified of where an individual is and when.
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