Welcome to the stateless, decentralized future of money, commerce, and accounting. Or an epic, scam-ridden speculative bubble. Or both. Some cryptocurrencies are pitched as a means of exchange, others as utility tokens, and others as securities in their own right. Meanwhile, blockchain, smart contracts, and other innovations spawned from crypto are being adopted for uses beyond bitcoin, ethereum, and other digital assets. Separating the signal from the noise is a daunting order.