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“Chip and PIN” banking cards have a chip, as the name indicates. The chip performs cryptographic operations and stores secret keys. The chip isn't just storage, it's a processor and the storage is not directly accessible from the outside. The chip is physically protected against duplication — it's embedded in a protective layer and designed to self-destruct ...


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Traditional cards are simply a magnetic strip with a very small number of bits on it, and anyone can read (or effectively re-write) those bits. The security of basic bank cards therefore does not depend on any innate secrecy or integrity. Everything you want to know is on Wikipedia: Info is usually ISO/IEC 7813 It's not a smart card, and has no private ...



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