Category Archives: hidden QR codes

QR Codes for Authentication –Real Life Example

Few days after writing about using QR codes for authenticating consumer products, I came upon a real company that uses QR codes for this exact purpose. The company is called its-true and appears to be located in Germany. Here is … Continue reading

Posted in Authentication, Brand piracy, Data Matrix, hidden QR codes, Marketers and QR codes, QR code authentication, QR codes, QR codes potential, QR codes SMS, Tracking QR codes | Tagged , , , , , , , | Leave a comment

Decorating a QR Code – Part Two

After dealing in previous post with neutral (non damaging QR code data) decorative means, we are going to look at more aggressive means and learn their possible effect. We will try to estimate their damage amount and ways to control … Continue reading

Posted in color QR codes, designed QR codes, error correction, hidden QR codes, pattern coloring QR codes, QR codes, QR codes contrast, QR codes readers | Tagged , , , , , , , | 4 Comments