Binance, the world\u2019s largest digital currency exchange, had been under scrutiny from regulators. To stay on the right side, Binance created a market-surveillance team to clean up its digital-currency exchange. But when investigators found a top client was manipulating markets, Binance kept the client... and fired its lead investigator. WSJ reporter Angus Berwick tells host Alex Ossola about the investigation, and what it means for the future of the company.\n\n\n\nSign up for the WSJ's free Technology newsletter.\n\nLearn more about your ad choices. Visit megaphone.fm/adchoices