According to last case studies, professionals discussed ability topay at homework services, aliexpress and paypal by bitcoins! What you think about it?

Hello! Guys, is this right i understand designation of bitcoin? -  This is the new generation of decentralized digital currency, created and working only on the Internet. No one controls it, currency emission occurs through the work of millions of computers around the world using a program to calculate mathematical algorithms.
I were do my homework, and found this quote.