Magnetic Identity Card
Magnetic Identity Card
technology application

Magnetic Identity Card

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updatedMar 17, 2021
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marc chesneau @ stock.adobe.com

To gain access to a given place or resource, magnetic cards can be used to prove a user's identity.
To gain access to a given place or resource, magnetic cards can be used to prove a user's identity.

Magnetic cards used for proving people's identities in exclusive premises or online environments. The cardholder's identity information is stored as binary code on a magnetic stripe on the card's back using high coercivity (HiCo) and low coercivity (LoCo). The first uses a stronger magnetic field and is recommended for long-term uses, while the second is more fragile and used for short-term applications.

To gain access to a given place or resource, a stripe card reader is necessary for the user to swipe. The data is read and decoded as the magnetic stripe passes over the reader’s head, which validates the data and grants access to the user. For added security, an optional PIN or password can be required.

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