The chain of trust will depend on the hardware. I would expect on a Steam Deck it would be Valve all the way. If it was Ubuntu it would be Microsoft then Canonical. I doubt any random distro would be acceptable to the games wanting to enforce anti cheat.
You can secure boot most distros these days. It’s not new either. Depends on who it what their anchor is, and if it’s more limited than just secure boot being active.
The chain of trust will depend on the hardware. I would expect on a Steam Deck it would be Valve all the way. If it was Ubuntu it would be Microsoft then Canonical. I doubt any random distro would be acceptable to the games wanting to enforce anti cheat.
You can secure boot most distros these days. It’s not new either. Depends on who it what their anchor is, and if it’s more limited than just secure boot being active.