I’ve seen dedicated hardware devices which scan a QR-like code and show this in a little screen of their own. The bank provides them and does not require any app.

I only know of a single bank using this.

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SkySkimmer a day ago | parent [-]

>I only know of a single bank using this.

If it's not Crédit Mutuel then you now know of a second bank using this method.

	▲	rzr 5 hours ago \| parent [-]
		I am interested too, my fallback bank trapped me (or my courage to resist), the fallback of fallback would be crypto but i am not sure i want to depend on this too... Meanwhile, the last hope is that people will use more cash (if the digital world is too hostile, oh wait it is!)