Earlier quoted context omitted.
I don’t really think Google’s plan is that weird. And it would be amazing for decentralized networks, archiving, and offline web apps. Google can’t just serve nyt.com — they can serve a specific bundle of resources published and signed by nyt.com verified by your browser to be authentic and unmodified.
+1. The way I think about it is that signed exchanges are basically a way of getting the benefits of a CDN without turning over the keys to your entire kingdom to a third party. Instead you just allow distribution of a single resource (perhaps a bundle), in a crytographically verifiable way. Stated another way, with a typical CDN setup the user has to trust their browser, the CDN, and the source. With signed exchange…
https://blog.cloudflare.com/keyless-ssl-the-nitty-gritty-tec... is a thing now.