The NFT BookNFTs, non fungible tokens, as collectible, digital, blockchain secured files became an international sensation in 2020, with the trend in trading them peaking in the fall of 2021. Many sold for millions, and one even sold for $69 million. And yet what exactly are they, and why do they have value? This is the definitive book on NFTs in the story of art and collecting. It is co authored by an art historian who has written often on the value of art and