Standard NFC tags using chips such as the NTAG213 NTAG215 or NTAG216 can have the user memory duplicated relatively easily. However, authentication tags such as the NTAG424 or NTAG223/ 224 use encryption keys to change the data on each scan. This means that if the data is copied it's immediately 'out of date' the data isn't static
Seritag - 10 Jan 2023