Troy Hunt writes ... > I'm referring to passwordless solutions that involves things like QR codes, pictorial representations, 3rd party mobile apps, dedicated

Troy Hunt writes ... > I'm referring to passwordless solutions that involves things like QR codes, pictorial representations, 3rd party mobile apps, dedicated hardware devices or "magic" links sent via email. Which of these is AuthN, in your view? Edit: Troy Hunt also writes ... > WebAuthn has the potential to be awesome, not least of which because it's a W3C initiative and not a vendor pushing their cyber thing. But it's also extremely early days and even then, as with [insert things here], it will lead to a change in process that brings with it friction. The difference though - the great hope - is that it might redefine authentication to online services in an open, standardised way and ultimately achieve broad adoption. But that's many years out yet. .., so perhaps the many years have passed.