Yep, definitely "trusted third party". For example: https://blog.mozilla.org/en/mozilla/mozilla-anonym-raising-the-bar-for-privacy-preserving-digital-advertisi

Yep, definitely "trusted third party". For example: https://blog.mozilla.org/en/mozilla/mozilla-anonym-raising-the-bar-for-privacy-preserving-digital-advertising/ https://blog.mozilla.org/en/mozilla/mozilla-anonym-raising-t... Owned by Mozilla, ran by ex-Facebook employees. I'm sure it's entirely coincidentally this W3C draft was written by Mozilla and Facebook employees.