3 ms·
This is also standard in certain secure facilities and I've visited companies that use them. They're called scramble pads. I think you get better at entering th
by joshvm 7y ago
This is also standard in certain secure facilities and I've visited companies that use them. They're called scramble pads. I think you get better at entering the numbers, and you wait until you see the sequence before going for the pad.
- heavenlyblue 7y agoI believe scrambling should work the best if you scramble the keypad for every digit entered, rather than for the whole of them at once. Otherwise at least the same key presses should be immediately recognisable?
- rdtsc 7y agoI heard about a device that had fewer keys say 5 only, one for each finger, but to use it you had to insert your hand into a slot in the machine so it’s completely invisible from the outside what keys you’re pressing. Presumably in theory they could use one slot for each hand to get to the full 10 digit range.