Stable coin can not save the depreciating economy. Even if it is Unted States that you are talking about, stable coin can not help. What they will help, fiat is not among. What that helps economy is how productive they are in a nation.
Stability: Stablecoins are designed to be less volatile than traditional cryptocurrencies like Bitcoin or Ethereum. This stability could provide a more reliable medium of exchange and store of value, especially in economies with rapidly depreciating currencies.
If someone's life is stable, did you know what that means?
Nothing in life is stable.
Stable coins reduce in value from time to time.
Stable coins and fiat are devaluating assets.
Inflation Control: Stablecoins are typically pegged to a stable asset like a fiat currency or commodity, which could help countries better control inflation and manage their monetary policy especially in African countries.
Fiat like the USD are the inflation themselves. Inflation can nit be used to control inflation.