The crypto-backing of stablecoins mirrors their fiat counterparts, with the main difference being that the cryptocurrency is used as collateral. However, due to the fact that cryptocurrency is digital, only smart contracts handle the issue of units.
Crypto-backed stablecoins minimize the necessary trust, for this reason it should be noted that their monetary policy is determined by the voters, by analogy with government structural elements.
In this case, you cannot completely trust the issuer, but you believe that all network participants will always act in the interests of users.