Re:Privacy – Forget Your Credit Card
by codelitt on Friday March 25, 2016 @08:46AM
(#11359710)
I don't believe we are that close to running out though, are we?
Using the number scheme, this person calculated^1 that (assuming Amex starts issuing 16 digit cards) there would be 3*10^14 + 10^11 or 4.001e+14 possible combinations.
Using the number scheme, this person calculated^1 that (assuming Amex starts issuing 16 digit cards) there would be 3*10^14 + 10^11 or 4.001e+14 possible combinations.
[1]: https://www.reddit.com/r/theydidthemath/comments/3wj8eb/requ...