The current NFT (non-fungible token) “craze,” in which celebrities are selling their tweets, gifs, or JPGs for exorbitant prices. A NFT is a digitally authenticated item that lives on the blockchain and certifies the uniqueness and ownership of the related asset. Consider it a limited-print-run trading card, with you holding the certified #1 of 10 cards ever created. Expect to hear a lot about NFTs in the coming six to a year.