The beauty of NFTs is that the owner cannot "autograph [it] again and we'll to other people", or at least can't on this platform. The tuple (contact id, token

The beauty of NFTs is that the owner cannot "autograph [it] again and we'll to other people", or at least can't on this platform. The tuple (contact id, token id, owner public key) will remain unique on the blockchain as enforced by the EVM.