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by amaccuish 1874 days ago
> My (albeit limited) understanding is that Visa and Mastercard ensure that the debit/credit transactions are securely and quickly occur,

Now in the EU, if online transactions are over a certain amount or flag up as suspicious, we must use 2FA. So I have to stick my card in my card reader and generate an OTP. Works quite well tbh. My other bank sends me a push notification where I approve the payment.