Cryptocurrency is an online currency which is untraceable. In the future, every business, shop and in general, every transactions will take place with this currency, but firm and strong laws regulating the currency is necessary. Everyone should have a wallet containing cryptocurrency. Everything would be fluid and nearly automated.
(source) https://www.google.com/search?q=bitcoin&rlz=1C1GCEA_enBD762BD762&source
