Non-fungible tokens (NFTs) — also known as “nifties” — are unique, indivisible, and provably scarce digital assets that are useful in gaming, art, and ensuring the provenance of luxury goods. Since the success of CryptoKitties in late 2017, the application of NFTs has grown rapidly, proving the functionality of blockchain in sectors far beyond finance and cryptocurrency. The NFT space has won the appeal of gamers, artists, luxury consumers, and digital-cat enthusiasts, yet uses for non-fungib...