How to prevent NFC tag cloning?

Question

I am making an app using NFC tags and I have to prevent the NFC tag from cloning. I have seen many other NFC tags which when tried to be cloned, shows a pop up message \"Clo

Answer 1

There is no guaranteed way to restrict the nfc tag from getting clone as all nfc tags are by default . Other apps use secret key with in a nfc tag but that also can be cracked.