Key Verifier uses QR codes to authenticate encrypted messages. To use it, users open a conversation in Google Messages, tap a ...

As previewed last year, Google Messages is beginning to roll out QR code-based key verification to confirm that you’re “communicating with the person you intend to.” Once available, open a ...

A report states that a recent Google Messages beta has brought about the company's QR code-based verification keys on Android. The Android System Key Verifier is the backbone of this, enabling users ...

You can scan a QR code using the camera on your smartphone, tablet, or computer — however, you may need to download an app.