3 ms·
> I cannot mentally manage that many different pins. Pick 4 digits on the card, multiply/add them by some constant number you know. You're now done 'memorizing
by cat199 9y ago
> I cannot mentally manage that many different pins.
Pick 4 digits on the card, multiply/add them by some constant number you know. You're now done 'memorizing'.
- digikata 9y agoDon't simple mnemonics have a risk of helping to reduce the search space to guess a pin?
- stickfigure 9y agoWe're talking about a 4-digit search space. The system already needs (and presumably already has) extreme rate-limiting measures.