Re: [External Sender] [esat] Food for thought about existing systems

[Ori Eisen <o@trusona.com>]

I think acknowledging it at the end as a reference will be fine

> On May 30, 2021, at 22:47, Lauri Korts-PÃrn <lauri@cyberdefense.jp> wrote:
>
> ïHi all,
>
> FYI, Let me share a couple of pictures from a shop in my surroundings,
> the pics are in google drive under 'shop-example'.
>
> It's a very low-tech and little demanding use of QR as replacement for
> cash, as shop doesn't really have to do anything else than make a
> contract to get a seller ID, and print out QR code, and customer has an
> app on phone, which can be easily (even anonymously) charged via ATM.
> As you can see from zoomed-in picture, user can even choose between 2
> payment processors (I believe one is actually charging to your phone
> bill).
> The verifcation of payment relies on people's honesty though, as custer
> just types in the amount of on the receipt, and then shows 'paid'
> screen the sum to cashier.
> Not sure how fraudulent cases will be handled though, my best guess
> that same way as counterfeit money, and I guess forensics will be much
> more difficult.
>
> I'm wondering if and how we should add this use case, or at least
> acknowledgement of it in the final document.
>
> Best regards,
>  Lauri.
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