MicroStrategy founder Michael Saylor once lost $6 billion in a day. His big bet on Bitcoin might sink him once and for all

A photo illustration of Michael Saylor with laser beams out of his ideas at the Bitcoin 2021 convention in Miami, Florida on June 4, 2021.
Saylor is stepping back from the CEO role to focus on Bitcoin.
Photo Illustration by Fortune; Original Photo by Roger Kisby for Fortune