Reply to post: Re: How can you challenge/response with a QR code?

Reflection of a QR code on PoS scanner used to own mobile payments

Alistair Silver badge
Joke

Re: How can you challenge/response with a QR code?

Or a mag stripe? Maybe it could work with sonic payments, though I have no idea how they work (never heard of them until now) so who knows.

I suppose that the POS could ask for a pin, although the idea here is that you wave the phone at the terminal and go, rather than interacting with it. I suppose it's better than asking you to video yourself doing the chicken dance in the store and uploading that as a response.

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