Why need a cryptocurrency?
ExChange i have agreed quitely that making an exchange is the process of survivng bitcoin itself and being a crypto by growth. Many ways to need a cryptocurrency is to Exchange them peer to peer ,like an exchange . It is profitable but after consumption of a service. Purchasing subscribtion and other relative platforms. This way make spend less cryptocurrency and makes you a lot of profit if you are doing it for buisnesss with capital but use buyer and seller whom accept it at any level of buisness.
Jobs -more expansion into understanding your career and your buisness both domestic and international.
LITRATURE AND ART CULTURE (SOCIAL NETWORKS) there is veriety of understanding and useful end to end reaching audience with bitcoin. And other cryptocurrency.
For a challenge
Learning to shop by your self and enjoying it .