The name of Bitcoin in recent years has become increasingly popular and interested in more and more people, bitcoin is one of the digital currencies that yesterday penetrated up to 200 million more for one bitcoin. Bitcoin is the currency with the highest exchange rate compared to other digital currencies such as NXT, ethetium clasic, ignis and so on. Some countries in Europe have used bitcoin as a means of payment, of course the people there are not too bothered to bring cash.