> Or, a QR code (or bar code) could be sent to the phone which pops up on the screen. This is held up to the PC's web cam which scans it. The opposite of this

> Or, a QR code (or bar code) could be sent to the phone which pops up on the screen. This is held up to the PC's web cam which scans it. The opposite of this (bar code on computer is scanned by the phone) is roughly the user experience of SQRL.