An NFT created by an artist known as beeple and sold for ETH 67.331 (USD 90,224 today) in December 2020 on Nifty Gateway. Cryptocurrencies are — or at least aim to be — money. This not only means that they need to function as stores of value, media of exchange, and units of account, but that they need to be fungible, in that any one unit of any cryptocurrency should be