What made you once believe that the phone can work without wires? So the mobile communication was born. So it is here. Our generation lives in the era of the birth of digital technology, namely crypto-currency. Now I think that not everyone understands what opportunities are open before us with the use of crypto currency. To do this, it must take another 10 years for people to start trusting them, and their creators have improved technology and created an even wider range of applications for crypto currency.