Fed's Brainard sees case for U.S. central bank digital currency(reuters.com)
reuters.com
Fed's Brainard sees case for U.S. central bank digital currency
https://www.reuters.com/business/finance/feds-brainard-sees-case-us-central-bank-digital-currency-2022-02-18/
Costs aren't the main worry. People are worried about how this can be used as a tool to curtail freedom, via surveillance and blocking access either to particular goods, particular shops, or particular people.