![]() ![]() One might speculate that the CPU installed on the actual card holds the algorithm used to calculate the new 3-digit code. So, what’s actually the engine of this mysterious 3-digit, ever-changing codes? ALGORITHM. If you look at the structure of a dCvvVV2 card structure, you can find: Question: How secure is this dCVV2? could the dCVV2 be hacked?
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