Cryptocurrencies have the potential to change the way people view and use the money There is a massive push across the world for limiting cash with Australia becoming the latest country to join the war on cash In a world where cash use would be limited cryptocurrencies not only have the potential to emerge as a viable means of payment but may also one day completely replace physical money Thomas Frey a senior futurist at the DaVinci Institute was quoted by Time as saying Cryptocurrency is very much here to stay he also said Cryptocurrencies are going to displace roughly 25 of national currencies by 2030 Theyre just much more efficient the way they run