The passkey was introduced with some excitement by Apple and varying degrees of hurrahs from Microsoft and Google a few years ago.1 This humble method of combining strong encryption, avoiding password entry, and adding the best aspects of second-factor authentication seemed like a winner. The excitement died down, even as operating systems, browsers, and websites provided increasingly robust support. Why haven’t passkeys seemed to match their hype? Or do they “just work” and are being ignored despite their value? I recently found one of the best arguments for using them, which I’ll share below. I’ve also seen quietly increasing adoption,…