European Commissioner Didier Reynders explained that “[the EUDCC] will make life easier for citizens. It will help them move around the EU, whether for work, family reasons or leisure.”
The EUDCC indicates that the holder has:
The EUDCC is authenticated by a unique QR code that indicates the form of immunization and the holder’s name and identification number.
This information is not stored by any member state other than the one which issued the certificate. This is according to the EU’s vaccine passport data protection legislation, which follows EU General Data Protection Regulation (GDPR).