I'm not 100% sure, but it sounds like that's outside the scope of key transparency, and Google is envisioning that the ["certification authority that the system

I'm not 100% sure, but it sounds like that's outside the scope of key transparency, and Google is envisioning that the ["certification authority that the system [represents]"][1] would verify that you indeed own `eschmidt@google.com` before letting you register an account using that address. [1]: https://github.com/google/key-transparency/blob/master/docs/design-improvements.md https://github.com/google/key-transparency/blob/master/docs/...