Signed Exchanges are basically that but with cryptographic guarantee of no transform by caches. See https://github.com/WICG/webpackage/blob/master/explainer.md

Signed Exchanges are basically that but with cryptographic guarantee of no transform by caches. See https://github.com/WICG/webpackage/blob/master/explainer.md https://github.com/WICG/webpackage/blob/master/explainer.md [Working on AMP at Google]