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
Ai Weiwei
Signed by
Issued by
Private
Owned by
Private
History
•
Format updated
Jan 24 2021 11:41:49 UTC
•
Transferred
Jan 17 2019 16:34:20 UTC
•
Transferred
Jan 11 2019 17:07:56 UTC
•
Created
Jul 12 2018 13:41:46 UTC
Get Starter Pack
Get your Starter Pack including one tamper-proof linkable QR sticker and one printed certificate with an iris strip hologram, serial number, and perforated counter strip.