The whole point of Ripple originally is that you could use it to send actual fiat money by using a network of trust relationships to chain together IOUs that co

The whole point of Ripple originally is that you could use it to send actual fiat money by using a network of trust relationships to chain together IOUs that could eventually be settled via actual transfers if necessary. Then after Bitcoin took off it was retooled as something more Bitcoin-like with its own internal cryptocurrency, XRP, and a ledger system to support it. (Except that the ledger is pretty much centralised.)