Earlier quoted context omitted.
The crypto part adds nothing to this process. There are already very efficient systems for exchanging one fiat currency for another without going through crypto.
https://www.parity.io/blog/un-world-food-programme-uses-pari... The UN saved more than 40,000 USD per month in bank transfer costs by using blockchain.
This article is basically an ad for Parity, and doesn't contain any details on how those savings were actually achieved, any way to verify that the number is genuine, or any way to know whether the same savings could have been achieved with improved processes with or without blockchain (which is very likely).