Cryptocurrency is digital currency that exist only electronically. It can be used to make transactions on the Internet without using real money.
source https://www.google.com/url?rct=j&sa=t&url=https://talkmarkets.com/contributor/Cents-For-Sense/blog/interesting-ways-to-use-cryptocurrency%3Fpost%3D228360&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNGlqvp5QqBCAMpIhIgI7D-93jJsSA
