ArmWallet will allow the buyer to easily and quickly get all the information about the product that you specify in the proper amount on the packaging is simply impossible. But, most importantly, the buyer in just a few seconds is able to verify the original product or fake. Way to check at the moment designed a few:
Standard for Armpack numeric unique code under a scratch-off layer.
The combined use of these two types of codes.
You can also use NFC chips (if this will be true in a particular case, because the cost of this method is much higher).