Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. A message authentication code (MAC), or tag, is a security code that is typed in by the user ...
The main purpose of message authentication is to prevent manipulation of the message which is sent. MAC stands for Message Authentication Code which is also known as “Integrity check value” or ...
Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Amilcar has 10 years of FinTech, blockchain, ...
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