Even though there are more and more retailers that accept cryptocurrency, there are still those that are reluctant to do so. Bitcoin’s – and other crypto’s – security gets in its own way as the complex structure of wallet addresses makes them impractical during in-person transactions.
QR codes solve that problem by allowing mobile phone users to access wallets through their devices. Unfortunately, QR Codes also give scammers a way in. It doesn’t mean “never trust a QR code.” It just means “keep your wits about you when using QR codes.”