Coinbase QR code Super Bowl ad: Crypto commercial confuses viewers
Coinbase's Mystery QR Code Super Bowl Ad Is a Security Nightmare, by PCMag, PC Magazine
Reports show scammers cashing in on crypto craze
QR Code Marketing: The Complete Guide - Transifex
Reaching A Global Audience With QR Codes - Milestone Localization
Coinbase Cashes In on QR Codes - MNTN
Case Study: Coinbase Super Bowl QR Code Commercial Ad - Brilliant Marketing
Scammers using QR codes to steal your personal information