Fink, of course, used to be an avowed crypto skeptic, someone who was more interested in Bitcoin’s environmental footprint than its potential as a safe-haven asset. Now this bellwether Wall Street figure is trumpeting Bitcoin live on national TV. And actually crypto winter may have ended before last week, if we’d paid more attention. Warmer times were already on the way back in January, according to Noelle Acheson, the former head of research at CoinDesk and Genesis Trading, who now writes the “Crypto Is Macro Now” newsletter.