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by PeterStuer 1018 days ago
That used to be the universal way here (Belgium) before the banks went all in with apps. I'm not sure wether typing a challange/response into a browser is inherently more secure than a phone app.

For those wondering about 2FA with these apps, factor 1 is "something you own" namely that particular phone/sim, and factor 2 is "something you know", your PIN.

You can still use cardTAN, but the app is way more convenient, especially with QR.