E-commerce
What Is B2B (Business to Business)?
B2B (Business to Business) is the name for systems used in the dealer networks of large companies, where dealers run supply, stock, distribution and marketing processes efficiently in a closed network.
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E-commerce
B2B (Business to Business) is the name for systems used in the dealer networks of large companies, where dealers run supply, stock, distribution and marketing processes efficiently in a closed network.

Payment Systems
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.

Merchant & POS
In online transactions, Opt Out is the cardholder exercising the right not to enroll in 3D Secure. It is not unlimited: only as many transactions as the issuer allows can be made without 3D Secure.

Payment Institutions & E-Money
Open banking means sharing customers' financial information with a third-party fintech company so that a range of banking and financial services can be offered to them. It works through API integrations. This post covers its status in Turkey and the new BRSA regulation.

Credit Card
It may sound impossible at first, but it is technically possible: a bank can issue chip debit cards under the same BIN as its magnetic stripe cards, with the card scheme's approval.

Courier & Delivery
Although some banks use web service integration, banks generally handle card distribution with couriers through file exchanges, with information sent within the service instead.

Security
Fraud cases where scammers pose as bank staff or other institution employees to obtain citizens' banking information have increased significantly recently. Interestingly, the new fraud trend closely mirrors the steps of a genuine banking procedure.

ATM
Banks generally prefer to handle their own ATM software and operations. Some banks have third-party firms develop the software while handling operational processes themselves, so each bank ends up doing separate work for both.

Credit Card
The name for a list of problematic cards — lost, stolen, expired, over-limit, counterfeit, or otherwise flagged — published by card companies like Visa and MasterCard. Mastercard calls it the 'MasterCard Warning Notice'.

HSM & Security
ZWK stands for Zone Working Key. It encrypts the PIN so that it can travel securely between different financial institutions, such as the acquiring bank and the issuing bank.

HSM & Security
PEK is the abbreviation for Pin Encryption Key. The role of PEK is to encrypt PINs. There are two types of PEK: TPK (Terminal Pin Key) and ZWK (Zone Working Key).

Security
Credit cards are one of the most important payment instruments in daily life. As technology advances and mobile payments and ATMs handle nearly all transactions, credit card fraud is also diversifying and increasing.