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Credit card and statement illustrating pending transactions

Credit Card

If I close my credit card, are the transactions made on it deleted?

A credit card is a payment instrument that lets a customer borrow up to a limit set by the bank after evaluating certain criteria. Transactions made on the card are first recorded in the current-period transactions, then posted as debt on the statement date.

Amazon Web Services cloud computing illustration

Security

Why Is AWS (Amazon Web Services) Preferred?

The number of companies offering cloud computing and storage has grown sharply in recent years. AWS, founded in 2006, is the world's largest cloud computing and storage provider, ahead of Google Cloud, Microsoft Azure and IBM.

PCI Security Standards Council overview

Security

What is PCI SSC?

It is an organization aimed at developing, managing, teaching, and raising awareness of security standards in the Card Payments Industry. The PCI Security Standards Council is also an open global forum for data security standards.

Application Unblock command structure diagram

EMV

What is the Application Unblock command?

The Application Unblock command removes the block placed on an application by the Application Block command, making the application usable again. Like Application Block, it is a command sequence managed after the card is presented to the terminal.

Online mail order payment form being filled out on a laptop

Merchant & POS

What is the risk of mail order transactions for merchants?

Mail order transactions are preferred by cardholders because they only block the card limit by the installment amount, creating a sales opportunity for merchants. But is the remaining balance guaranteed?

Diagram of a first credential-on-file transaction using stored card data

Security

What is the First Credential-On-File transaction?

The first transaction made after a customer's card data is stored with a merchant is called the First Credential-On-File transaction. BKM expects it to be flagged with the value "C" in switch message field DE48.PDS86, and BRSA draft rules govern how card data may be stored.

Cover of the Visa Merchant Data Standards Manual document

Merchant & POS

What Is the “Merchant Data Standards Manual”? How Can I Access It?

Visa's Merchant Data Standards Manual covers classification, identification and data standard requirements for merchants, payment facilitators and marketplaces, including merchant naming, location and MCC rules. Here is what it contains and where to find it.

POS terminal device used for processing card payments

Merchant & POS

What is MIV (Central Merchant Database)?

MIV stands for Central Merchant Database. The MIV Module collects information on merchants across Turkey and the TRNC that have card acceptance agreements with BKM members, and assigns each merchant a unique number for tracking purposes.

Starling Bank vertical credit card design

Credit Card

Vertical Revolution in Credit Cards

The payment card industry is arguably the sector most affected by technology and the quickest to adapt new developments. With mobile devices, payment systems have changed a lot - we now prefer using our credit cards virtually rather than physically.

Cryptocurrency mining concept illustration showing mining hardware and blockchain blocks

Cryptocurrency

What Is Cryptocurrency Mining?

Mining is the production of cryptocurrency through hardware and software, as well as the recording and confirmation of cryptocurrency transfers. Because block difficulty rises with each new unit, mining requires very powerful processors.