Ann J. Prather
Port Huron, Michigan, United States
Bitcoin mining is a very profitable business and by the time it is difficult ,but can be easy through a machine known as Antminer S9.
Bitcoin was firstly released in 2009 as open source software and crypto currency. It is now well know digital payment system accepted worldwide. Bitcoin was invented by a programmer, Satoshi Nakamoto. For more info you can visit us site.