Forum › MIFARE and NFC Reader IC`s › How to make an RFID card unique? › Reply To: How to make an RFID card unique?
Hi Eric
Yes, the UID of any NXP product (MIFARE, NTag etc.) is unique. But the UID is not a security property! So, you should not build the security of your system, let say you implement an access system, on the UID. It is possible to create an electronic device with an antenna which emulates every UID.
For security devices it is possible to put the card in a mode, where the UID is always random to forbit tracking.
The TapLinx team
Yes, the UID of any NXP product (MIFARE, NTag etc.) is unique. But the UID is not a security property! So, you should not build the security of your system, let say you implement an access system, on the UID. It is possible to create an electronic device with an antenna which emulates every UID.
For security devices it is possible to put the card in a mode, where the UID is always random to forbit tracking.
The TapLinx team
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