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Payment cards. For questions about storing credit card numbers, see also pci-dss. For questions involving the physical object, see also smartcard (if the card has a chip).

1
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Older people will likely remember the older way credit cards were handled. Carbon copy forms were the de facto method of proving to the credit card processor that you in fact did have the physical ca …
answered Apr 26 '17 by dark_st3alth
0
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Trying to reinvent the wheel has never been a good path to take. There are plenty of third-party options to handle credit card transactions, such as Stripe and PayPal. I would strongly recommend usin …
answered Feb 21 '17 by dark_st3alth
1
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Many people use cars on a daily basis, even with the number of deaths on roads worldwide. So why would everyday people want to use them? The reason why I ask that question at the start is because it …
answered May 14 '17 by dark_st3alth