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Illustration of a digital wallet storing payment card information

Credit Card

What Is a Wallet?

The term 'wallet' has many definitions in payments and fintech. In general, it refers to digital wallets (e-wallets) used in e-commerce, popular because they let users securely store payment information and pay easily.

Example of an EAN-13 barcode number

Courier & Delivery

What is the Barcode Generation Algorithm?

Barcode numbers are essential for the Courier system, since cards are distributed using the barcode number. So does the barcode number have a generation algorithm, or is it just randomly generated? The barcode number does have a generation algorithm.

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.

Social engineering fraud and human biases illustration

Fraud

What Biases and Human Behaviors Trigger Fraud?

Sometimes committing fraud by exploiting system vulnerabilities is harder than exploiting human weaknesses. Fraud that exploits such human weaknesses is called social engineering.

PIN try counter on chip cards

Credit Card

What Is the PIN Try Count?

The PIN Try Count is the maximum number of failed offline PIN verifications that can be made with the card. Banks usually keep both the consecutive wrong PIN count and the maximum wrong PIN count.

Illustration representing a payment card's transaction history

Credit Card

What Is a Card's First Transaction Date? What Is It Used For?

Banks generally keep a record in the system of a card's "First Transaction Date." This information is automatically populated by the online authorization system. So under what circumstances is it updated? First, an authorization transaction must…

Illustration representing the products and services KKB offers directly to its member institutions

Credit Card

What Products and Services Does KKB Offer Directly to Members?

KKB was established, under banking law, to enable the exchange of all kinds of information and documents among at least five banks, and it also shares credit information about customers. The Credit Bureau of Turkey also serves deposit banks, participation banks, financial institutions, and more.

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.

Discover chargeback reason codes list

Payment Systems

What Are the Discover Chargeback Reason Codes?

Chargeback reason codes differ by card scheme. Here is the list of Discover chargeback reason codes and their descriptions, along with how merchants can use them.