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Higher error correction makes scanning undamaged QR codes less reliable (huonw.github.io)

submitted 8 months ago by [email protected] to c/[email protected]

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[–] [email protected] 1 points 8 months ago* (last edited 8 months ago)

They're still used for instant login on multiplatform services like Steam or Discord. A device that's not logged in will show a QR code next to the login prompt, and scanning it with a logged in device will show a prompt to allow the other device to log in to your account without needing to enter a username or password.

Other than that, I only see them at restaurants to open their menus in a web browser.