It’s just that actually backing your PLNC 1:1 with actual Złoty[0] you can actually retrieve, leaves very little room for the people behind the coin to get rich.
Also, the government is a highly diversified insurer that can create more the underlying asset it is insurring.
Do they have to? Is there any reason they couldn't hedge that money?
If I wasn’t fully occupied with rsync.net I would love to run some kind of utility exchange/market/bank service …
… and I’m not involved or invested in crypto in any capacity.
The Liquity stablecoin actually works that way, they don't even have an own web app.
Thus a true backed stablecoin where the operators have proper incentives.
And that's how you get sketchy companies in Bermuda holding $100 billion in Schrodinger's assets, as well as other oddities like mining companies holding billions in assets because an ETF holding billions in assets would be illegal.
In real life there's no stablecoin. Even fully backed deposits can be traded at some other amount than 1:1, for whatever reason. Totally depends on whether you actually think the exchange can be done, and there are various reasons it might not.