An example how NFT "works". I created an art poster entitled CFYWEx9NFT, an abbreviation for Centyfy Warhol Effect x9 Non Fungible Token. There are only 9 of such tokens created on Stellar blockchain testnet. Proof of work: https://stellar.expert/explorer/testnet/asset/CFYWEx9NFT-GBNH7CQZ3EHMR5M6K2IZDIQXEA5PMJTINDXZTYGPHG7RJLON45RAU4XC https://ipfs.io/ipfs/QmNmWYsnbCXBmTCw6DNA432RuWimtbpbybWMxWNU6hTtBu