I am using qr code for anti-counterfeiting solutions. But the problem with Qr code is that anyone can easily create a copy of my qr code or anyone can easily read the qr code with "qr code reader" mobile application and can create the same qr code like mine.
if my application reads this fake qr codes then it shows the "valid product" message instead of "fake product" message.
So i just want to know that if there is any way to protect qr code from being copied or can i make qr code which can be readable by my mobile app only and not by any other "qr code reader" application.
There is no way to accomplish this. QR is merely a format to store information. It does not provide confidentiality in any way.
You are looking at a systemic issue. For fraud detection, you want to use a technology where replication is hard. QR on the other hand is designed to make replication easy. QR codes are redundant and can still be read if a rather large portion of them is lost. QR codes are therefore - even on a basic level - the exact thing you don't want to use to establish the authenticity of an object.
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