Wu Jihan, cofounder of Bitmain Technologies, poses for a photograph in Hong Kong. (Photo: Anthony Kwan/Bloomberg) A week after a lavish affair at the Ritz Carlton Hong Kong thrown in the name of celebrating Bitcoin Cash's first birthday, a pre-IPO investor deck for Bitmain Technologies Ltd. was leaked that valued the company at $14 billion. Bitmain is the supplier of most of the world's virtual pick axes for the modern day gold rush -- bitcoin mining. The mind behind the muscle is none other than 32-year-old Jihan Wu.