> How about a reputation system where users bring proof that other websites haven't found them abusive. If you're not careful something like that can subvert t

> How about a reputation system where users bring proof that other websites haven't found them abusive. If you're not careful something like that can subvert the efforts to reduce cross-site tracking, but you can do resolve this with thoughtful cryptography: https://privacysandbox.google.com/protections/private-state-tokens https://privacysandbox.google.com/protections/private-state-...