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Chart of the effects of credit card usage on inflation

Credit Card

Does Credit Card Usage Increase Inflation?

The effect of credit cards on inflation has been debated for years. Because I am asked about it so often, I ran a poll on arifunal.com to gather readers' views. This post weighs the positive and negative effects and compares the poll with the research findings.

Illustration representing the advantages and disadvantages of credit cards

Credit Card

What Are the Advantages and Disadvantages of a Credit Card?

Credit cards can be a convenient way to manage income and expenses, but for those who don't know how to use them, they can become an expensive and risky product. Here are the key pros and cons to weigh before applying for one.

Merchant onboarding process illustration

Merchant & POS

What is Onboarding (Merchant Definition)?

Onboarding refers to all the practices that help a customer learn to use a product or service for the first time. In payment institutions, it covers verifying a customer's information and documents during merchant application.

Diagram illustrating installment payments at the cash price for a credit card purchase

Merchant & POS

What Is "Installments at the Cash Price"?

When you buy a product with a credit card, you can pay in a single payment or in installments. Installments at the cash price means paying in installments without any markup over the cash price, which benefits the cardholder.

POS terminal used for card payment transactions

Merchant & POS

What is On-Us Leakage?

On-Us Leakage is a term used in the world of payment systems. On-us means the card-issuing bank and the POS-acquiring bank are the same. So what does on-us leakage mean in this context?

Diagram of an Onus installment transaction flow between POS and HOST

Payment Systems

What are the key points in an Onus Installment project?

Before describing the Onus Installment process, it is better to first answer: what is an Onus transaction? An Onus transaction is when the acquirer and issuer are the same institution, so the transaction is processed through that institution.

Photo illustrating a point-of-sale multiple installment sale transaction

Merchant & POS

What is a Multiple Installment Sale?

This can occur at companies selling products from different sectors. For example, you enter a shopping mall and buy a refrigerator for 3000 TL, a dishwasher for 2000 TL, and an iron for 1000 TL, each under a different installment campaign.

Diagram illustrating the ISO 8583 F42 card acceptor identification code field

ISO 8583

ISO 8583 Field Descriptions (F42)

F42 - CARD ACCEPTOR IDENTIFICATION CODE: the merchant number of the terminal where a transaction took place. It is a 15-character alphanumeric value. Transactions are settled to the merchant's account based on the merchant number in this field.

ISO 8583 field 19 acquiring institution country code

ISO 8583

ISO 8583 Field Descriptions (F19)

F19 — Acquiring Institution Country Code: the country to which the location of the acquiring bank's device (ATM, POS, etc.) belongs.

Diagram illustrating account-to-account (A2A) payment flow between banks

Online & Authorization

What are A2A (Account-to-Account) Payments?

Account-to-account (A2A) payments can be described as making a payment by transferring money from one bank account to another. Though similar to wire transfer/EFT, combining the transfer with the payment creates a seamless experience.

Diagram of the affiliate marketing relationship between merchant, affiliate, and customer

Payment Systems

What is Affiliate Marketing?

Affiliate marketing, in short, is a performance-based promotion and sales approach that distributes an online retailer's product marketing to different people and organizations, letting it achieve the most sales with the least risk.