SMS codes have long been less secure than other forms of authentication. With QR codes, Google aims to reduce users' dependency on carriers for account verification.

Instead of getting six-digit log-in codes via SMS, which is unsafe and prone to phishing, users will see a QR code that they can scan with their phone’s camera.The Latest Tech News, Delivered to Your

Google confirmed today (Feb 24) that it will soon fade out its SMS code sign-in method for Gmail in favor of QR codes. The company says QR codes will offer a little more robust security as SMS codes are more prone to "phishing." Google reiterated the same sentiment during its first introduction of passkeys for personal accounts.