Back in 2017, Larry Fink, the CEO of BlackRock, the world\u2019s largest asset manager, was critical of cryptocurrency. Now, just seven years later, the former skeptic is helping to take bitcoin mainstream as BlackRock rakes in billions of dollars selling bitcoin in a low-cost ETF. WSJ reporter Vicky Ge Huang tells host Alex Ossola about what BlackRock\u2019s reversal means for the company, investors and crypto writ large.\xa0\n\nLearn more about your ad choices. Visit megaphone.fm/adchoices