What an amazing year it’s been for crypto investors. A year ago we were down in the dumps, and today we’re flying high. One of the most remarkable recent phenomena has been the rise in popularity of non-fungible tokens (NFTs). NFTs are digital collectibles that are based on blockchain technology — each one is unique, indivisible and verifiable. Today, I’m specifically talking about art NFTs. As you all probably know by now, artist Beeple…