And they should, after all we are talking about something that is taking way too much time to become obselete, it has been around for way too long and a lot more than it should. All the governments in the world have the skills to make a digital currency, and I do not mean like crypto, I mean just get rid of cash banknotes, and just use digital numbers moving around banks, and debit cards/credit cards will be the only thing that people use, with hopefully crypto as well in the future. On top of that, nowadays phones can make payments, so not like there is any need for anything at all, we should consider that to be normal situation and nothing different. If any nation can achieve zero banknote policy one day, then we are going to see them grow a lot financially and benefit from it, which means that other nations will end up starting using it as well.