Non-fungible tokens (NFTs) are a certificate of ownership protected by blockchain technology. NFTs are the latest, most eyebrow-raising use of blockchain technology to protect digital art. The maintenance of the digital ledger to keep track of who owns a digital work of art is done using blockchain technology. The NFT ledger only shows who the owner of the original is. It is possible because the blockchain is designed to prevent theft forgery. If somebody steals your NFT and sells it, it will faithfully faithfully serve the blockchain.”]
Source: https://blog.malwarebytes.com/explained/2021/03/nfts-explained-daylight-robbery-on-the-blockchain/