Blockchain technology is the future for various implementation.
Check some of my digital asset based on blockchain technology :

The First NFT Stamp in Indonesia

Pos Indonesia Cenderawasih NFT
OpenSea – Pos Indonesia Cenderawasih NFT

Pos Indonesia Cenderawasih NFT Stamp OpenSea Collection
OpenSea – Pos Indonesia Cenderawasih Collection

Pos Indonesia NFT Art Mural Serie
Cipher.me – Pos Indonesia Art Mural