I answer the question above: these companies allow you to trade in cryptocurrencies or other digital currencies for other assets. I would say that this is a multifunctional project.
I completely agree with you. See, there are still such useful features as masternody. This is a network of computers that provides a network platform. Anyone can work with this, for this you need 5,000 PWS tokens and little technical knowledge. What do you think of it?