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Re: Anonymous payment scheme
> I've heard of that, but I thought it was only a redundancy check to check
> for read errors in the swiping process.
That's why they use checksums - I have some information about the
VISA-net authorization network (which came from Phrack) and also some
about the actual encoding of the card, if anyone cares.
( --------[ Jonathan D. Cooper ]--------[ [email protected] ]-------- )
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