Really, what is Bitcoin? Back in 2009, an unknown programmer (although it could be a group of programmers) under the pseudonym Satoshi Nakamoto has created a fundamentally new virtual money - Bitcoin. It was he who coined the name of the currency, and  invented alhorytm.  Although six years have passed, but until now no one knows where it came from who he was and even how to actually his name. After creating algorithm of cryptocurrency, the method of its production, he also introduced a way for storing this cryptocurrency so-called Bitcoin - a purse that is placed on your computer.