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Diagram showing how pre-authorization blocks a card's available limit

Credit Card

Which Cards Can Be Used for Pre-Authorization?

Pre-authorization reduces the merchant's risk by blocking part of the card's limit for a set period. Since a credit card has a defined limit, an amount can be blocked against it. ATM cards and prepaid debit cards have no such limit to block.

Animated illustration of a credit card representing dynamic security code technology

Credit Card

What is a Dynamic Card Security Code (CSC)?

It is a CVV2/CVC2 code that changes every few minutes instead of the static code printed on the back of a credit card, aimed at reducing fraud risk in CNP (Card Not Present) transactions.

Table of merchant sectors where offline transactions are restricted

Merchant & POS

In Which Sectors Can Offline Transactions Not Be Performed?

An offline transaction is one approved by the card and the POS themselves, without going to any system (the card's bank or the POS's bank), when a chip card transaction is made at a POS. For this reason, some sectors considered risky are restricted.

Photo of a prepaid card used for everyday purchases

Credit Card

What should you know before buying a prepaid card?

A prepaid card is a customized chip or chipless card that is not linked to a bank account and has no credit limit like a credit card. You can only spend up to the amount loaded onto the card.

Diagram illustrating the tokenization and detokenization process for card payments

HCE

What Are Tokenization and Detokenization?

Tokenization generates secure data from a credit card number, using specific algorithms, for use during authorization. In CNP transactions, it removes the risk of storing or compromising the original card number.

Screenshot illustrating a prepaid card and its features

Credit Card

What is a prepaid card?

A prepaid card is a customized card, with or without a chip, not linked to a bank account and without a credit limit like credit cards, letting you spend only the amount loaded onto it.

Illustration of EMV chip card technology used in VSDC and M/Chip-Lite applications

Credit Card

What is VSDC (Visa Smart Debit Credit) and M/Chip-Lite?

EMV chip cards contain a small, powerful microprocessor that provides enhanced security, faster transactions, and support for loyalty programs. VSDC is Visa's chip-based solution; M/Chip-Lite is Mastercard's low-cost equivalent for banks starting their chip migration.

Contactless payment being made with a chip debit card at a POS terminal

Debit Card

Can a debit card (ATM card) be used for contactless transactions?

A contactless transaction is a fast, secure payment made between a chip card and a POS device without direct contact, without the card's chip or magnetic data being read through the card reader. Can this be done with a debit card (ATM card)?

Diagram illustrating how a bank allocates a credit card limit

Credit Card

What does credit card limit allocation mean?

A credit card is a card whose limit the bank sets after evaluating the customer against criteria such as income, payment history, and credit bureau score.

Illustration of the benefits credit cards provide to cardholders

Credit Card

What benefits do credit cards provide to cardholders?

Many people who appear as credit card victims in the news and on social media run into trouble because they think their credit limit is unlimited and forget it must eventually be repaid. A credit card is the best payment instrument, if you know how to use it.