Product Authentication Technologies: A Complete Guide

Comprehensive comparison of authentication methods — QR codes, NFC tags, RFID, blockchain, and digital watermarks. Cost analysis, security levels, consumer experience, and industry recommendations.

QR Codes for Authentication

QR codes provide cost-effective, consumer-friendly authentication. Serialised QR codes with cloud verification offer scalable anti-counterfeiting at minimal per-unit cost.

NFC Tags for Premium Authentication

NFC tags offer tap-to-verify authentication ideal for luxury goods. Higher per-unit cost but superior security and consumer experience for premium products.