The importance of cryptocurrencies will grow in the future. Cryptocurrencies are the currencies of real free-market economies. Their future depends on the confidence they inspire consumers.
The blockchain technology, though background technology, which would not be recognized that bitcoin did not gain popularity, has a bright perspective. As long as the transaction costs are lower than the cost of payment transactions, the rational behavior requires that we should encourage the utilization of cryptocurrencies in order to reduce the costs of the transactions when paying and to overcome the existence of an intermediary.