This already exists in a limited form as Signed HTTP Exchanges. It's intended primarily for caching and serving content from CDNs, but associating with the orig

This already exists in a limited form as Signed HTTP Exchanges. It's intended primarily for caching and serving content from CDNs, but associating with the origin host. https://www.ietf.org/archive/id/draft-yasskin-http-origin-signed-responses-09.html https://www.ietf.org/archive/id/draft-yasskin-http-origin-si...