Normal crypto-coins are a code-based asset created to be employed as an item of trade. New units can be found by mining. Anyone can do this if they've access to a computer. Mining uses a great deal of time and electrical energy, however. A fast computer is also vital, to do this successfully. However, XRP is a centralised resource, which is unmineable. A limited amount of coins were created by the organisation and this number will not be exceeded.