Do you need some help?
Why do I need to authenticate my card in-store?
Your security is our main priority, so normally when you add a card, we ask you to complete your bank's usual authentication process (e.g. Visa Secure, Mastercard Identity Check, Amex Secure Key).
However, if your bank doesn't ask you to complete this security process, we may ask you to bring your actual cards with you next time you head to Tesco. We'll then authenticate your card by Chip & PIN when you're paying for your shopping at the checkout.
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