Originally Posted by rnd me
within a single browser, sure, but i can always open the site in firefox and chrome to get 2 copies.
??? I don't think that's at all what she meant.
I think she meant she wants all users to be able to see a front "public" page but then only want those users who have her secret QR code able to access other pages. (And I think Felgall read it that same way.)
Since the number of browsers in use wouldn't have anything to do with whether or not the QR code is valid (or even usable, for anybody without a mobile device?)...