President Biden has approved the demise of the US $ without approval of either the Congress or Senate, He did this via EXECUTIVE ORDER 14067 9/3/.2022.

Rishi Sunak is pushing to bin the UK £ system and replace with central bank  digital currency (CBDC). Whether Sunak could commit such treason, I know not, but he and the Tory Party are not to be trusted,

https://coinrivet.com/britcoin-rishi-sunak-reveals-further-details-about-uk-cbdc/