Talk:Credit Card Imprinter

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1) Signature on the slip 2) Signature plate on back of card 3) Unique credit card number affiliated with central credit card issuer 4) EXPIRATION DATE? Added variable or original functional attribute (why do they expire?) 5) Computer Legibility (OCR) ensures credit Card issuer records the number on the slip 6) Imrinted Number ensures transfer of number to slip is accurate and immune from human error (as opposed to OCR typewriter) 7) Unique numberd series on slips ensures sequential documentation of transacitons and accoutnability of copies to masters 8)Name of Card Owner 9) Name/Address of Merchant 10) Contracts / Checks / Bond 11) Account Humber identifies IP ADDRESS - Geography, Institution,

Problematics surrounding credit cards

1) The idea of the credit card is to make it easier to spend money, to encourage consumption. 2) An early problem was to become international, which involved removing "America" from the company name, and switching to the name, Visa. The rise of credit card use corresponds to a rise in international monetary flows. 3) In the history of credit cards, the speed of payment is always an issue (Cite Restaurant revolt of 1959). 4) The problem of identification is always an issue.

How does the credit card imprinter address each of these issues? What does it make possible and what are its limitations?

Money Form Plate Press —Perfect reproduction —Non-verbal

Paper —Multiple Inscription —Duplicate —Signature Filing system

Skeuomorph—The information of the card is materially arbitrary, but semiotically necessary

Semiotic stuff to preserve transparnecy

The credit card imprinter does not care if you have a real or fake

The authetication is not built into the transaction before the swipe—which is to say that the press would work when the swipe now doesn’t

A contract if deferring the problem of authentic


Functional nonsense—All bullshit design, specials spirals, etc… Aside from the serial number and amount—just hard to copy.

Encoding—human and machine readable (only one part of the inscription, though)

Signature as self-identify—the obvious

Formal prohibitions—Generic authenticating and accounting mechanism