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

QR codes are a type of barcode, or scannable pattern, that contain various forms of data, like website links, account ...

Taking measures to protect oneself is highly recommended, including rushing up on some things you should never do on your Android phone, for one or enabling ... The Key Verifier tool allows you to ...