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johnmaguire 5 days ago

It kind of depends. See Kagi Privacy Pass ("Allows you to use Kagi Search with Privacy Pass, which cryptographically ensures that Kagi cannot tie that request to an account and allows for further privacy and anonymity."): https://help.kagi.com/kagi/privacy/privacy-pass.html

jeroenhd 5 days ago | parent [-]

... which requires an addon to the browser, or for it to be built in specifically for that company.

That's not something companies like Matrix can use. If you're installing software already, why not skip the browser engine and install a full Matrix client instead?

johnmaguire 5 days ago | parent [-]

I wasn't responding directly to Matrix's use of MAS. More generally I aimed to make the parent poster aware of a new technology that allows for private authentication, which they claimed was impossible.

Privacy Pass is currently being standardized by the IETF, so we may see more widespread adoption eventually: https://privacypass.github.io/

dwattttt 4 days ago | parent [-]

Just to make the claim clearer: it can't matter what the authentication mechanism is.

If a Privacy Pass token is needed for access to your email, then redeeming the token tells the service you (the client) can access your email. That's identified you.