Where to store money, in what currency? To give preference to the Bank or rely on the virtual network? This question is raised by many people, especially those who own the impressive size of financial capital. Until recently the most reliable place for storage of money was a Bank, but today the situation is already a little bit different. The global financial community has turned their views towards bitcoin and already consider their funds to electronic purses of the system. The first question which interests all, who see bitcoin as a method of storing earned, as a system of making payments and other transactions, the main question becomes the reliability of bitcoin. The cryptocurrency, which is bitcoin itself, is secure and protected unit. Bitcoin is strong and well protected currency. For example, creating a password for your wallet, you have to remember it forever, because if you forget it, then an access your bitcoin account can be lost forever. Password can't be reset, to restor