Our patented certificates are designed to evolve over time, unlike paper certificates. All changes to the certificate are registered on the blockchain, proving a clear and trusted timeline of the certificate’s evolution.
Verified issuer
Creator authorized
Physical link
Created by
Sascha van der Werf, 1977
Signed by
Issued by
Sascha van der Werf
Owned by
Private
History
•
Transferred
Aug 9 2024 19:44:19 UTC
•
Secure QR linked
Aug 9 2024 19:43:50 UTC
•
Created
Aug 9 2024 06:09:31 UTC
Physical link
Type
QR sticker
Serial number
L006450
Date linked
Aug 9 2024 06:09:31 UTC
Linked by
Issuer
Sascha van der Werf | A Day in Vienna No. 2 | View certificate