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BKM HİYS dispute and chargeback management workflow

Chargeback

What Is HİYS (Dispute Management System)?

The Dispute Management System (HİYS) is the system used among BKM members to share chargeback transactions and the supporting documents that must accompany them, linked to Domestic Clearing and Settlement System data.

BKM Express digital wallet screen

E-commerce

Will BKM Express Continue to Exist?

BKM Express has pioneered card storage and digital wallets in Turkey. After the Competition Authority's termination decision, a Board decision revoked it, so BKM Express will continue. Here is the latest situation.

Diagram illustrating the stages a credit card goes through from application to delivery

Credit Card

What stages does a credit card go through before reaching the customer?

Credit cards are undoubtedly the most important payment tool for most of us when shopping. So what stages does a credit card or debit card go through before it reaches our pocket? The customer submits a card application request, and the process continues from there.

Illustration representing the DCI debit credit indicator distinguishing card types in a transaction

Credit Card

What Is DCI (Debit/Credit Indicator)?

DCI (Debit/Credit Indicator) is a flag that shows whether a transaction was made with a credit card or a debit card. With the arrival of prepaid cards, it began to be used as DCPI (Debit/Credit/Prepaid Indicator). Is DCI sent in the authorization message?

Diagram of the online authorization flow for below-CVM-limit contactless transactions

Payment Systems

Domestic Flow Change Made for Below-CVM-Limit Online Contactless Transactions

The domestic authorization flow for below-CVM-limit online contactless transactions has changed. Issuers can now ask the cardholder for a PIN or request card insertion instead of simply approving or declining. This post explains the CVM list and the new DE48 PDS22 and DE39 = 65 message flows.

Deutsche Bank Tarjeta Calma credit card featuring dynamic CVV technology

Credit Card

Deutsche Bank produces a card with a CVV that changes every 4 hours

Germany-based Deutsche Bank is launching a new credit card in Spain with a dynamic CVV code that changes every four hours, to make online shopping more secure. Deutsche Bank partnered with Mastercard and Idemia for the new card, launched under the Tarjeta Calma brand.

Diagram explaining the PAN Sequence Number (PSN) field on a chip card

Credit Card

What Is PSN (PAN Sequence Number)?

A 2-character field written to the card's chip data that increases by 1 with each card renewal, allowing authorization to distinguish between the old and new card. This means that, theoretically, assuming no other conditions prevent it, a...

Fintech companies combining finance and technology

Payment Systems

What is Fintech?

Fintech, short for financial technologies, is a term for companies that bring together finance and technology to provide easy and fast financial services, growing rapidly worldwide.

Visa Merchant Purchase Inquiry (VMPI) process diagram

Fraud

What is Visa Merchant Purchase Inquiry (VMPI)?

Chargeback is the process of refunding a credit card payment when the goods or services that should have been received were not, or when transactions not made by the cardholder are identified. In Turkish it is translated as reversal of presentment.

Warning illustration about a fake social media gift points scam targeting card details

Credit Card

Congratulations, You Won Gift Points..

A real attempted card fraud story: a fake Facebook friend request, a promise of free bank points, and a request for card number, expiry date and CVV2. Here is what happened and how to protect yourself.