Finance and Economics Crypto assets Bitcoin bounce A new crypto-linked exchange-traded fund is many things to many people CRYPTO SEASONS are not what they used to be. In 2017, just as bitcoin was nearing $20,000 for the first time, a regulatory crackdown triggered a crypto “winter”—a period of depressed prices—that lasted nearly three years. In May this year frost set in after China clamped down on crypto transactions, bringing bitcoin down by half from its peak of $64,900. But after just a f...