1. Print unclonable QR security tags. Print tag blueprints from Blocktag website https://generate.blocktag.com/
2. Fingerprint tags on the blockchain. Use Blocktag app to fingerprint tags and distinguish original from cloned tags (i.e. Tag photocopies, reprints, screenshots)
3. Authenticate tags with cameras. Use any camera app to scan tag on things like documents, product packaging, stickers, Physical Non Fungible Tokens (NFTs) etc and view tag contents.