Credit cards will soon be using RFID, and I'm not sure if you've ever taken a look at a credit card number, but they aren't completely random. You can easily find out what bank is used, and what region it's in. If using the number for purchases isn't enough, more information could be obtained from the bank using social engineering techniques.
I already made my aluminum foil and duct tape wallet, and I'm looking forward to testing it tomorrow.
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Credit cards will soon be using RFID, and I'm not sure if you've ever taken a look at a credit card number, but they aren't completely random. You can easily find out what bank is used, and what region it's in. If using the number for purchases isn't enough, more information could be obtained from the bank using social engineering techniques. I already made my aluminum foil and duct tape wallet, and I'm looking forward to testing it tomorrow.