QUOTE(sadukarzz @ Nov 20 2023, 09:54 AM)
Yes, technically you are correct as what I have summarized above.
Therefore usually in 3D transactions, the proof is the OTP / app authorization;
Merchant's side of proof for unauthorized transaction is usually either - 3D verification if any, customer details such as contact details & logs / addresses / messages / screenshots. But if the fraud is used for TOP UPs - then it will be more difficult to trace as it will depend on email address / phone numbers.
Therefore, for cardholder side, you should provide proof that the transaction is not done by you if possible, otherwise, the issuing bank usually will have the details of the transaction or necessary information to fight for you.
Technically merchant are not allowed to keep the OTP info as those are security.Therefore usually in 3D transactions, the proof is the OTP / app authorization;
Merchant's side of proof for unauthorized transaction is usually either - 3D verification if any, customer details such as contact details & logs / addresses / messages / screenshots. But if the fraud is used for TOP UPs - then it will be more difficult to trace as it will depend on email address / phone numbers.
Therefore, for cardholder side, you should provide proof that the transaction is not done by you if possible, otherwise, the issuing bank usually will have the details of the transaction or necessary information to fight for you.
By right their website should point to the payment gateway and all the info are only captured by the gateway, gateway will only return certain info to the merchant ie. Card number (may be masked), transaction number, approval code and some other info.
So merchant cant actually "proof" u key in the OTP or not, per se.
Nov 20 2023, 12:17 PM

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