Business ‘Shark Tank’ investor Kevin O’Leary hated Bitcoin for years. Now he thinks it’s going to ‘save the world.’ Published 3 years ago on 8 April 2022 By Terry Power Kevin O’Leary: ‘Bitcoin mining is going to save the world’ | Fortune You need to enable JavaScript to view this site. Related Topics:BitcoinHatedinvestorKevinOLearySaveSharktankThinksworldyears