In recent news, Google has put forth a proposal known as the "Web Environment Integrity Explainer", authored by four of its engineers. On the surface, it
It apparently requires some kind of proprietary operating environment to function, thus making it compatible with free (as in freedom) computing. You would need either a proprietary library/OS or an open OS but a proprietary piece of vendor hardware to act as the attester.
Technical explainer:
https://github.com/RupertBenWiser/Web-Environment-Integrity/blob/main/explainer.md#how-it-works
It apparently requires some kind of proprietary operating environment to function, thus making it compatible with free (as in freedom) computing. You would need either a proprietary library/OS or an open OS but a proprietary piece of vendor hardware to act as the attester.
Assuming you meant incompatible.