A nonfungible token, or NFT, is a digital asset -- a unit of data -- stored via blockchain. The term means unique, which is what makes NFTs valuable. While cryptocurrencies like Bitcoin or Ethereum represent monetary value, NFTs are most used to represent one-of-a-kind digital works of art, including photos, videos, memes, tweets and albums. Strapped for time? You can still learn some NFT fundamentals in minutes with this video.