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by lorewarden 5067 days ago
I remember being intrigued by Google's "Sesame" experiment (covered on HN at https://news.ycombinator.com/item?id=3469692) where they logged you in via a QR code processed via your mobile.

Relying on something you have (mobile phone with a trusted app on a trusted network) instead of something you know (passwords) can be an interesting choice. Ideally you'd require both (something you know and something you have), but we want to avoid passwords.