The first two questions: cash is anonymous, a digital money transfer could be anonymous or not depending on the design. I don't think governments want anonymous

The first two questions: cash is anonymous, a digital money transfer could be anonymous or not depending on the design. I don't think governments want anonymous transfers but they might not give that information to the party that receives of the money. That is, they know I paid 10$ to that shop but the shop doesn't know who I am. The last question: some people have rooms full of 100$ bills. Some of them are evil. Examples https://www.reuters.com/world/asia-pacific/russia-says-afghan-president-fled-with-cars-helicopter-full-cash-ria-2021-08-16/ https://www.reuters.com/world/asia-pacific/russia-says-afgha... https://www.cnn.com/2019/09/08/africa/sudan-al-bashir-trial-witness-intl/index.html https://www.cnn.com/2019/09/08/africa/sudan-al-bashir-trial-... A technology people's fallacy is to expect technology to solve social problems. They are best solved socially.