If you're into crypto, and your family knows that, someone's going to ask.I should have seen it coming: At the Thanksgiving dinner table, my 7-year-old niece asked me, "What's an NFT?" If you're into crypto, you're likely to get asked this too, by a crypto-curious (or more likely crypto-skeptical) family member during the holiday season. We've got a Decrypt Learn guide to NFTs, but "digital assets that contain identifying information recorded in smart contracts" ...