Chromecast displays a pin on the display it's attached to and requires that pin to pair to a new account. I'm unsure what (if anything) Google home does (I reme

Chromecast displays a pin on the display it's attached to and requires that pin to pair to a new account. I'm unsure what (if anything) Google home does (I remember "your home device played a sound", I don't remember if there was anything else.