Each of us has at least one memorable souvenir: a magnet from another country, a ticket to a concert of your favorite band, a boarding pass from an important pace or a badge from a memorable conference. All these items help to keep significant moments and impressions in our memory. Their digital counterpart in virtual worlds has become POAP NFT. The term POAP comes from the abbreviation Proof of Attendance Protocol (or protocol confirming participation). These NFT badges are issued to confirm...

Each of us has at least one memorable souvenir: a magnet from another country, a ticket to a concert of your favorite band, a boarding pass from an important pace or a badge from a memorable conference. All these items help to keep significant moments and impressions in our memory. Their digital counterpart in virtual worlds has become POAP NFT. The term POAP comes from the abbreviation Proof of Attendance Protocol (or protocol confirming participation). These NFT badges are issued to confirm...