File photo taken in 2010 of Cameron (left) and Tyler Winklevoss, whose bitcoin fortune may have fallen below US$1 billion as the cryptocurrency sank on Wednesday, January 17, 2018. Photo: Reuters
File photo taken in 2010 of Cameron (left) and Tyler Winklevoss, whose bitcoin fortune may have fallen below US$1 billion as the cryptocurrency sank on Wednesday, January 17, 2018. Photo: Reuters