> There's no way for someone to make an identifier that's also a secret secure. There is, but it requires assymetric cryptography, so entities can verify you h

> There's no way for someone to make an identifier that's also a secret secure. There is, but it requires assymetric cryptography, so entities can verify you have access to the private key without having access themselves. And that would be more technically sophisticated, and difficult to deploy, so I don't see it happening any time soon.