Crypto Currencies and RippleCentralised cryptocurrency is a digital holding built to be employed as an item of exchange. New units are added via mining.
Anyone can get involved if they’ve access to a device.
Mining requires a large amount of hours and electrical power, though. A fast machine is also vital, to mine profitably.
On the other hand, Ripple is a centralised coin, which can’t be mined. A limited amount of coins were made by the company and this amount will never be added to.