The rate of the Crypto-currency without the exchange trade is determined only by the participants in its production (the story with the first pizza bought for bitcoins, everyone has already heard - and it's not about the currency as such, but in the agreement between the participants of the transaction). Thus, with the help of the blockbuster, the principle of an open society is partially realized: the social and political system in which the most important events occur according to a general agreement. This is a completely universal, free from external influences means of payment.