Google plans to replace SMS codes with QR codes for account verification. If you're logging into Gmail, one current authentication option is a six-digit code sent via SMS.

Google is changing the way you confirm if contacts are legit. The company has begun rolling out a QR code to verify that the person you're communicating with is, in fact, who they say they are, ...

Gmail and other Google services will shift from texting six-digit codes over SMS to sending a QR code that a user can verify.