a personal identification number is used to protect what?
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=>A personal identification number is mostly used in electronic financial transactions or digital works to keep our account safe and secure.
=>A personal identification number is mostly used in electronic financial transactions or digital works to keep our account safe and secure.
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A personal identification number (PIN) is a secure alphanumeric or numeric code used for authenticated access to a system. A PIN serves as a validation tool for users of various types of networks and systems, such as computer networks, credit/debit cards, and mobile phones.
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