There's never been a Central Bank in the history of the world that operated without the express approval of the government. We're not living in a fantasy world where your political opponents will magically fix problems that your own Congress created. Sorry y'all appointed out-of-stream afk ideologues who don't truly care about this roleplay or keeping the people satisfied.
But as a matter of fact, after the Bank bill was shot down, we started a
imgflip.com/m/blackmarketbank in its place, but it never really took off.