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A comment on The Vietnam government has banned rooted phones from using any banking app. Parent comment

Re:The Vietnam government has banned rooted phones from usin... by fph on Friday January 09, 2026 @02:10PM (#46557796)
How do they get this information in the first place, though? Do they have a QR code reader?
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Re:The Vietnam government has banned rooted phones from usin... by sdl on Friday January 09, 2026 @02:25PM (#46558028)
Yes, in that case it's often called Photo-TAN or QR-TAN. See https://en.wikipedia.org/wiki/Transaction_authentication_num...

Previously there were also so called "flicker TAN" approaches: https://de.wikipedia.org/wiki/Transaktionsnummer#chipTAN_com...

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