>You can’t make any reasonable guarantees on authorship unless you change the entire hardware stack and tack on loads of DRM.
Even then you can't trust it. Companies write DRM and tend to have actual humans run the place. If the government where these humans live decides to point guns at them and demand access, most humans are going to give up the key before they give up their life.
Even then you can't trust it. Companies write DRM and tend to have actual humans run the place. If the government where these humans live decides to point guns at them and demand access, most humans are going to give up the key before they give up their life.