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A comment on CueCat. Parent comment

Re:CueCat by simonh on Monday March 21, 2016 @10:37AM (#11328329)
At least with QR codes you don't need a special scanner, it doesn't need to be plugged into anything and you have the scanner (phone) with you all the time.

But I've never used one either.

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Re:CueCat by ChrisArchitect on Monday March 21, 2016 @11:06AM (#11328548)
But you kind of do, because as far as I know, you need an app. QR codes has some major promise initially, but it hinged on becoming built into the camera apps of phones, which never happened, so forget it
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Re:CueCat by jamiesonbecker on Monday March 21, 2016 @11:44AM (#11328856)
If you're security conscious, you might use QR codes for MFA, i.e.: https://userify.com/tour/ (scroll down)

but then Red Hat's FreeOTP has a QR code scanner built in. (Google Authenticator does not and needs a third-party one that wants a ton of permissions..)

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