Reverse Engineering a Credit Card Featuring Dynamic CVV

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Credit cards can contain a lot of electronics. In this video we disassemble a Visa #card featuring dynamic CVV2. Such a card does not have the 3-digit CSC or CVV printed on it, but instead it displays the code on a small e-paper or e-ink display and refreshes it every hour. This gives pirates less time to use your card if they manage to copy your card's details including the CVV. Does this mean that there is a battery inside the credit card? Yes, it does. A very small battery, and much more...

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For e-Ink or e-Paper displays see: https://www.elektor.com/waveshare-2-9-3-color-e-ink-e-paper-display-module

RFID experiments with Arduino : https://www.elektor.com/rfid-starter-kit-for-arduino-incl-uno-r3

Want to learn more about RFID & NFC? https://www.elektor.com/rfid-ebook-en
Also available in German: https://www.elektor.com/rfid-de-pdf

Видео Reverse Engineering a Credit Card Featuring Dynamic CVV канала Elektor TV