atm

Cheat Sheet: Chip and PIN

Cheat Sheet The main difference to you is that instead of signing for each purchase you enter a four-digit number into a keypad at the cash register, much like you do when withdrawing cash at an ATM machine. What is it?

Tags: credit cards, debit cards, chip-and-pin

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[13 Jun 2007]

Cheat Sheet: Federated identity

Cheat Sheet Putting aside any issues you may have about security, think of the ease of using an ATM. In terms of card payments it also gets around the need to have different forms of authentication in every different shop or at every different ATM.

Tags: federated, rsa, identity, ca

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[20 Sep 2005]