The next step is to decide how and where you will buy Bitcoin. Fastest Coinmama Go to Coinmama’s website. There is a limited supply of BTC in circulation and new coins are generated at a predictable rate, but there are several factors that can influence demand. To find the fastest exchange, we looked at how quickly most customers can sign up, get verified and buy BTC. As such, although anyone can mine Bitcoin from anywhere in the country, there are certain states that have been classified as preferable thanks to their affordable energy rates. However, this has been changing over the years, as there are thousands of companies and stores that accept Bitcoin as a means of payment today. These services make it as simple as possible to get your hands on some BTC.