Sure, but the thing is: only a single person needs to break it temporarily in some way and this person can then leak the DRM free copy for everyone to consume.
That’s why DRM is such bullshit. It only ever punishes legitimate users. All others are unaffected.
Does this replace the third party Better Thermostat?
So we could use a blockchain… (/s)
But why? If you don’t need moving parts, don’t use moving parts. Simplicity is king.
Replacing a python service (searxng) by one written in rust? Count me in.
What exactly do you mean? Typically you go to a website, register the domain, setup payment and then setup the nameserver. No need to install anything on your end.
Same with hosting. You sign up, setup payment, order a machine (root or virtual) and then you get SSH credentials and are good to go.
Maybe not your particular board, but platformio supports Linux for ages. I worked with that 6 years ago (on arch, btw).