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Illustration of the Mastercard Data Integrity Monitoring Program for transaction data quality

Credit Card

What Is the Data Integrity Monitoring Program?

Published by Mastercard on 24 May 2019, the Data Integrity Monitoring Program monitors transactions (authorization, clearing, chip, chargeback, etc.) in the Mastercard system to reduce erroneous transactions and increase transaction success rates.

Diagram illustrating the TLV (Tag-Length-Value) data structure

Online & Authorization

What is TLV (Tag-Length-Value)?

TLV is a data storage method used to speed up the parsing of data. For example, reading data from a card's chip at a POS and carrying it through authorization uses the TLV structure.

Diagram illustrating the structure of Track3 data on a payment card

Credit Card

What Is Track3?

Track3 is a field that doesn't need to be written to the card's magnetic stripe. It's used only in very specific cases and isn't required for authorization transactions. Issuers generally don't encode Track3 data onto the card's magnetic stripe. It consists of 104 numeric characters.

Diagram comparing the digitization and tokenization processes in mobile payments

HCE

Comparing Digitization and Tokenization

Tokenization and digitization are two important terms in mobile payments that are easily confused and often used interchangeably. What is the difference between digitization and tokenization?

Diagram illustrating the ISO 8583 F55 field structure for ICC system related data

ISO 8583

ISO 8583 Field Descriptions (F55)

F55 - INTEGRATED CIRCUIT CARD (ICC) SYSTEM RELATED DATA: the field where EMV data is written on chip cards. It consists of components such as Position, Private Data Subelements, PDS Tag, PDS Length, and PDS Value...