The term "decentralized stablecoins" itself precludes the USD-pegged voucher tokens you're referring to.
I'm talking about things like Reflexer's RAI[1], which is designed to have stable value independently of any singular currency, and whose most centralized component is price oracles (so not very centralized).
Are you sure that if the dev team will ababdon the project tomorrow it will b existent and people will trust it 5 years for now? If not, it's centralized. Also, how can it be a stable coin if there is nothing explicitly stated as peg?
I'm talking about things like Reflexer's RAI[1], which is designed to have stable value independently of any singular currency, and whose most centralized component is price oracles (so not very centralized).
[1]: https://reflexer.finance/