Warren Buffett once called bitcoin "probably rat poison squared." He'll now have to dine with one of the cryptocurrency's biggest fans. Cryptocurrency pioneer Justin Sun revealed on Monday that he bid the record $4.57 million at a charity auction to have lunch with Buffett, the billionaire chairman of Berkshire Hathaway Inc.from Business News: Latest News on Business, Stock Markets, Financial News, India Business & World Business News http://bit.ly/2Z6t244
