@jwildeboer I’ve been working in the banking industry in a country where there’s a highly sophisticated group of thieves looking to get your credentials.
It is very bad.
We were prohibited from using any kind of links or QRs.
I like the idea of the stickers. Maybe a short message and your phone number may be enough.
> Found it? Get a reward! +1 345 555 5555
Test both of them!