goldrush - On May 20, 1873, the two men secured a patent for the riveted pants and eventually opened a factory on Fremont Street, close to the modern-day Salesforce tower in San Francisco’s financial district. they wanted sell most durable jeans to miners at the time.
Fast Forward 150years - bitrush Bitman  was founded by Micree Zhan and Jihan Wu in 2013. Prior to founding Bitmain, Zhan was running DivaIP, a startup that allowed users to stream television to a computer screen via a set-top box, and Wu was a financial analyst