NFTs (non-fungible tokens) are the digital equivalent of signed art. Instead of using fiat money to pay for physical art, cryptocurrency is used to pay for NFTs. While there are more technical and expansive definitions for NFTs involving digital ledgers, complexity ends up adding unnecessary noise to the discussion. 

In recent weeks, NFTs have had their moment. Auctions involving NFTs for digital art have reached shocking totals with one NFT going for…