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"Chip Card"

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Conceptual illustration of a brain-computer interface chip connected to a human brain

Payment Systems

What Could Neuralink Change in Payment Systems?

Elon Musk was set to unveil Neuralink, a brain-computer interface. What is Neuralink, and how might payment systems change if payments, cards, ATMs and POS devices move from phones to a chip in the brain?

Illustration showing how an Application Identifier (AID) is used in a chip card transaction

EMV

What is an Application Identifier (AID)?

The AID tells the terminal which applications are present on a chip during a POS or ATM transaction. What does the AID do? It lets the terminal determine whether it supports an application on the chip. In Tag 9F06, it is 5-16 digits long.

Diagram explaining what an EMV Issuer Script is and how it updates card chip parameters

EMV

What Is an EMV Issuer Script?

An EMV Issuer Script is a system that lets the issuer (the institution that issues the card) update and change the parameters and values on the card chip while it remains in use, reducing fraud over the card's lifetime.

Diagram showing how offline transactions are relayed from the POS to the card bank

Merchant & POS

How Do Offline Transactions Reach the Card and POS Bank?

In chip transactions made with a credit card via POS, the transaction amount is approved by the card and POS based on parameters on the card and POS, without going to the card bank or POS bank. These are called offline transactions.

Payment card being checked against a card recovery bulletin of problem cards

Merchant & POS

What Is a Card Recovery Bulletin (Card Protection Bulletin)?

A Card Recovery Bulletin is a list of problem cards (lost, stolen, expired, over-limit, counterfeit or otherwise flagged) published by card schemes such as Visa or MasterCard. It shows whether a card number is listed on the date of purchase.

SCRW smart card reader/writer device

Security

What is SCRW (Smart Card Reader Writer)?

SCRW (Smart Card Reader Writer) can be translated as Smart Card Reader/Writer. Smart chip card readers are sophisticated devices with built-in intelligence, usable in PCs, laptops, servers, smartphones, and set-top boxes.

Hand entering a PIN code on a card payment terminal

Credit Card

What should be considered when setting a card PIN?

A credit card is one of the most important payment tools in our lives, which is why keeping it secure is extremely important. So how do we secure a credit card? The most important security measure is the card PIN.

Close-up photo of a cracked payment card

Credit Card

My Card Is Broken. What Should I Do?

If your card is broken, call your bank's Customer Contact Center to request a renewal. Since the card number usually stays the same after renewal, this is convenient for you. If you'll keep using the card, don't set it to Closed or Cancelled status.

Google Card, the physical payment card Google is reportedly preparing to rival Apple Card

Credit Card

Meet the Google Card!

After Apple Card, announced last March to great fanfare, Huawei said it would issue a card too. Google has now joined the race among tech companies by announcing a new card of its own.

POS terminal screen showing the cancellation transaction menu

Merchant & POS

How does the cancellation (void) process work on a POS?

Many transactions are carried out with cards on a POS terminal. Sometimes a transaction must be reversed, and cancellation (void) is one such transaction. A Sale can only be cancelled on the POS before the batch (end of day) is closed; otherwise a refund is needed.