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Security
The number of companies offering cloud computing and storage has grown sharply in recent years. AWS, founded in 2006, is the world's largest cloud computing and storage provider, ahead of Google Cloud, Microsoft Azure and IBM.
Payment Systems
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.
Chargeback
A chargeback is the process of requesting that an amount paid by credit card be refunded, either because the goods or services paid for were not received, or because a transaction is identified as one the cardholder did not carry out.
ISO 8583
In ISO messaging standards, country codes sent in fields such as F43, F19, F20, and F21 must follow a specific standard. Below is the country code list and details used for ISO, including 2-character, 3-character, and numeric codes.