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Table showing prepaid card loading, spending and cash withdrawal limits

Prepaid Cards

What Are the Transaction Limits for Anonymous Prepaid Cards?

Prepaid cards are among the most popular cards right now, and their use keeps growing. A prepaid card is not linked to a bank account, has no credit limit like a credit card, and can be used up to the amount loaded onto it.

Illustration representing a virtual card used for mail order and e-commerce payments

Credit Card

What is a Virtual Card?

A credit card number created based on a credit card, not physically printed, usable in all virtual purchases (mail order, e-commerce, etc.). It is generated instantly upon request, usable right away, created with a zero limit, and free of charge.

Diagram illustrating the EMV Tag-Length-Value (TLV) data structure used in card transactions

Online & Authorization

What are EMV Tags?

In EMV, data is stored in Tag-Length-Value (TLV) format, and it is carried between the card, the POS terminal, and the authorization system in this same format. This post lists every EMV Tag, its type, and its description.

Prepaid debit card not linked to a bank account

Debit Card

What Is a Prepaid Debit Card?

A prepaid card is a customized card that is not linked to a bank account and has no credit limit like a credit card - you can spend only up to the amount loaded onto it. Prepaid cards function just like a bank card or credit card.

Table of chargeback reason codes by payment scheme

Chargeback

What Are the Chargeback Reason Codes by Payment Scheme?

A chargeback is the process of requesting that an amount paid by credit card be refunded, either because the goods or services paid for were not received, or because a transaction is identified as one the cardholder did not carry out.

Illustration of a point-of-sale terminal checking a card against a warning list

Merchant & POS

What is the Combined Warning List (BUL)?

The Combined Warning List (BUL) lists card numbers the issuer wants blocked (lost, stolen, counterfeit, etc.), which acquiring merchants check within certain limits, at their own risk, when online authorization cannot be obtained.

Illustration showing the consequences of entering an incorrect CVV2 code in an online transaction

Credit Card

What happens if I enter CVV2 incorrectly in my online transactions?

With the advancement of technology, the use of credit cards in online transactions and the variety of payment methods have increased. To make an online transaction with a credit card, you need: Card Number, Expiration Date, and CVV2 (the 3-digit number on the back of the card).

Diagram illustrating how a POS device identifies foreign bank cards using BIN lists

Merchant & POS

How Does a POS Device Detect Foreign Cards?

A POS is a functional device with its own dedicated software, customized according to the authorization system of the bank it is connected to, that accepts credit or debit cards. So, banks abroad launch dozens of new card products every day…

Example of a POS transaction receipt (slip)

Merchant & POS

Don't Dismiss the POS Receipt

In daily credit card purchases, the POS produces two receipts: the Customer Copy and the Merchant Copy. The cardholder gets the customer copy; the merchant keeps its own copy by law.