Earlier quoted context omitted.
Sounds like the ”Country that tried nothing says it’s impossible” meme. > Issue special debit cards for UBI > Issue special machines/payment processors for those cards to registered merchants, landlords, and utility and healthcare providers.
We have tried that. It's cheaper and more effective to just give people a wad of cash.
Various countries have various things that operate on similar principles, such as transit cards etc.
Hell, even VIDEO GAMES have done this: Special "premium" currencies that you can use only for certain things, buy with realmoney or earn through various activities, and cannot trade.