Central Bank Digital Currency (CBDC) when compared to current cashless systems

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I saw an article on a proposed US CBDC [here](https://www.cnn.com/2022/03/11/tech/us-digital-dollar-cbdc/index.html) and don’t understand how it would be different from a current direct credit or debit card (e.g. one that directly pulls from your bank account and not one that sends you a bill every month.)

My guesses as to possible differences and subtopics I’m confused about:

* Would this CBDC be publicly/privately mined, meaning the fed is no longer in direct control of the mint speed unless they exert control over the bounties?

* Would it be 1:1 exchanged with/for USD or be a replacement, eliminating cash entirely?

* How would you gain the benefits of a public ledger system (as the article indicates is desired) without making public all the private banking transactions of the individuals (zero knowledge proofs maybe?)

In: 4

The key word is “proposed”.

It’s a very hard to operationalize these ideas. The notion of 1:1 exchange with regular dollars seems critical, but if some people prefer the digital kind there has to be a source to supply them or the price will go up like bitcoins. If the US Government can make more whenever it likes, is that really a digital currency?