3 ms·
Many thousands of times per day, since modern credit cards are smartcards.
by rkeene2 7y ago
Many thousands of times per day, since modern credit cards are smartcards.
- dredmorbius 7y agoYes and no. That's true, yes. But it's not general-purpose computer identification. (The thought that credit cards might become the de facto identification token is numerous spectacular shades of terrifying.)