Crypto coins are an uncertain, volatile assets, a pumped/dumped bubbles. Stable coins are crypto USDs, somehow pegged to USD. Voila, is it the machine to print USDs?
Big crypto reset
There are some stable/unstable coin types backed by other assets: backed by fiat, gold,etc. and pegged to USD (USDT, USDC,..), backed by other crypto assets and pegged to USD (DAI, FEI, etc.), backed by other crypto assets and not pegged (OHM,etc.).
Many stable coins, especially backed by a single crypto asset, have lost the market, some survived.
Conclusions
Don’t try to build money printing from the thin air machine, let’s build something cool, incredible and new. Application specific money (tickets, coupons, etc.) for example.