Having tried to use that, I can assure you that no one actually (a) remembers their passphrase, nor (b) is willing to type it in when it does come up. It's a fu

Having tried to use that, I can assure you that no one actually (a) remembers their passphrase, nor (b) is willing to type it in when it does come up. It's a fun idea, but it's actually much worse UX than even a secure password.