At the heart of this myth lies the idea that bitcoin is a currency. Previously, money was provided with precious metals, such as gold or silver. Today, the "conditional" currency, for example, the US dollar, is trusted by the governments that issue it. The main reason why such a currency is valuable is that most governments force citizens to pay taxes. Also, people believe that their money will be accepted as payment for goods or services. Serebros and gold have an intrinsic value, because they are used in industry for making jewelry, and coins have been historically minted from these metals. Bitcoin does not have a central bank, it is not controlled by governments and does not exist physically. In doing so, it has value, it can be used as a currency. It is based on blockade technology, which is used not only for the purchase and sale of goods. The value of bitcoin is in its usefulness. The bitcoin is subject to deflation, since the number of currency units can not exceed 21 million, so its value is constantly growing. Compare this to the US dollar, which over the last 100 years has been virtually destroyed by inflation. The purchasing power of 1 dollar in 1913 (the year of the creation of the US Federal Reserve), today is 0.04 $