Not all smartphones require a third-party app to scan QR codes. Kurt "CyberGuy" Knutsson shows you how to scan codes using iPhone or Androids.

QR codes are easy to use, if you know how to access the information they contain and have an internet connection.

You should be vigilant when it comes to QR codes, but don't be afraid to scan them.

Most digital payment platforms, such as Apple Pay, GPay, Alipay, WeChat Pay, PayPal, PhonePe, Cash App, etc., have mobile payment apps with QR code facilities.