EU Digital COVID Certificate | European Commission
https://ec.europa.eu/info/live-work-travel-eu/coronavirus-response/safe-covid-19-vaccines-europeans/eu-digital-covid-certificate_en
Jun 30, 2022 · The EU Digital COVID Certificate contains a QR code with a digital signature to protect it against falsification. When the certificate is checked, the QR code is scanned and the signature verified. Each issuing body (e.g. a hospital, a test centre, a health authority) has its own digital signature key. All of these are stored in a secure ...
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