States have nowhere to rush to react to cryptocurrency. After all, the cryptocurrency has both negative, from the point of view of states, and positive aspects. Moreover, the G20 countries, after considering the issue of cryptocurrency, came to the conclusion that the cryptocurrency does not pose a threat to global financial security. Also, the states are almost unanimous in the fact that the blockchain technology opens up new wide opportunities for its application in almost all areas of the economy of these states. States at any time can apply destructive measures for cryptocurrency regulation. In the meantime, they are looking at her.