It depends on if we do end up with only one party, or if banks end up running nodes too. I believe Visas blockchain projects require institutions to run nodes.

It depends on if we do end up with only one party, or if banks end up running nodes too. I believe Visas blockchain projects require institutions to run nodes. If you are using USD-CBDC as a reserve currency for your country you'd sure as hell want to make sure that the currencies aren't being changed from under your feet, as would banks sending money between each other.