I don't follow it at enough of a detailed level other than to know the UN is using it as a proof of stake concept for the transactions, and then reimbursing the token holder in their local currency (caveat - I think this is correct, but again I'm not involved with them at any detailed level).

You may also want to see these for more info:

https://www.forbes.com/sites/darrynpollock/2020/02/27/blockc...

https://www.businesswire.com/news/home/20201203005110/en/Tra...