Comments on: Smoking is expensive – 17 digit charge on Card for Pack of Smokes… [updated] http://www.paymentsystemsblog.com/2009/07/15/smoking-is-expensive-17-digit-charge-on-card-for-pack-of-smokes/ David D. Bergert Sat, 19 Nov 2011 16:52:57 +0000 hourly 1 http://wordpress.org/?v=3.2.1 By: credit card merchant processing http://www.paymentsystemsblog.com/2009/07/15/smoking-is-expensive-17-digit-charge-on-card-for-pack-of-smokes/comment-page-1/#comment-1192 credit card merchant processing Thu, 27 Aug 2009 12:50:56 +0000 http://www.paymentsystemsblog.com/2009/07/15/smoking-is-expensive-17-digit-charge-on-card-for-pack-of-smokes/#comment-1192 I would hate to just pay the interest on that. I would hate to just pay the interest on that.

]]> By: Paul Grum http://www.paymentsystemsblog.com/2009/07/15/smoking-is-expensive-17-digit-charge-on-card-for-pack-of-smokes/comment-page-1/#comment-1124 Paul Grum Thu, 16 Jul 2009 02:41:01 +0000 http://www.paymentsystemsblog.com/2009/07/15/smoking-is-expensive-17-digit-charge-on-card-for-pack-of-smokes/#comment-1124 Someone on stackoverflow.com (a programming site) has figured out how this hapenned: Add the cents to the number and you get 2314885530818450000, which in hexadecimal is 2020 2020 2020 1250. Do you see the pattern? The first six bytes has been overwritten by spaces (hex 20, dec 32). see http://stackoverflow.com/questions/1133581/is-23-148-855-308-184-500-a-magic-number-or-sheer-chance Someone on stackoverflow.com (a programming site) has figured out how this hapenned:

Add the cents to the number and you get 2314885530818450000, which in hexadecimal is 2020 2020 2020 1250.

Do you see the pattern? The first six bytes has been overwritten by spaces (hex 20, dec 32).

see http://stackoverflow.com/questions/1133581/is-23-148-855-308-184-500-a-magic-number-or-sheer-chance

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