Use a button number method for QR code signin!

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  • RiaSunhammer

    This will help.

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  • Ferox

    This would still not be sufficient. Yes, this will stop attackers from just posting the code into random servers and waiting for a person to scan it but it doesn't stop personalized attacks. The attacker could still send you the QR code as a private message (stating that you have won a giveaway or something) and tell you to scan the code and share the digits with you. Even if the digits would change every minute or so, this can still be done if the attacker is quick enough.

    The attacker could even talk you through the process in a voice chat to get around the time issue I mentioned.

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