Can nfc reader send "magic" checks to detect invalid card?

Oh, if the only option is to change the magic tag gen, then that’s … disappointing. I understand that I can’t change the firmware of my magic tag to not answer to this request, but I was hoping, idk, maybe some software solution that can lock uid\keys in the tag permanently

Anyway, thank you very much for your response! You helped me put this whole thing together

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