Meet The 27-Year-Old Mathematician Building A Bitcoin Empire Author: Timothy Sohn Last Updated: 19 December 2016 (Forbes) – Founded in 2013 by 27-year-old Marco Streng, Genesis Mining stands as the largest Bitcoin cloud mining company in the world. Boasting more than 300,000 daily customers, the startup has grown to become a global power that employs over 100 full-time staffers from all parts of the world.