Earlier quoted context omitted.
The problem is moving money into war zones in a way that is immune to theft and abuse. The vouchers are 100% digital and unique.
I thought the vouchers were going to people living in refugee camps? Presumably along with "100% digital vouchers", you need to ship out any required infrastructure, stuff like iris scanners and computers. Are these computers and iris scanners also immune to theft and abuse? They sound amazing :) Does the system require a working power grid?
I briefly worked with a startup whose founder is a Syrian refugee. Smart-phones and crypto wallets is what allows many of them to survive.