1. Fedimint is not USD denominated. It’s on a sat standard.
2. It is not issued by the govt, although the govt is welcome to run FOSS code if they choose.
3. Anyone can run FOSS so it is available to public use
4. It’s based on bitcoin with 1:1 reserves. And requires LN nodes to interop with other projects on bitcoin.
5. Yes. It does this. 