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by gus_massa
1494 days ago
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My guess is that he discovered a method to break the Luhn check https://en.wikipedia.org/wiki/Luhn_algorithm that is not a strong check. It's only useful to avoid typos. That's probably enough to make the "send" button happy. I guess he didn't discover how to break the secret code of the card, and the transactions were flagged by the server immediately. Some servers flag the card secretly, so credit card thieves have more problems to validate the stolen cards. The press article claims it was something impressive, but my guess is that it's just a bad report by the police or by the journalists. |
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