FILE PHOTO: Warren Buffett, CEO of Berkshire Hathaway Inc, at the company annual meeting weekend in Omaha, Nebraska U.S. May 6, 2018. REUTERS/Rick Wilking/File Photo
(Reuters) - 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 (3.6 million pounds) at a charity auction to have lunch with Buffett, the billionaire chairman of Berkshire Hathaway Inc.
