If you're interested in reverse engineering RFID payment systems in public transfer, I can recommend you this talk from 27c3: https://events.ccc.de/congress/201

If you're interested in reverse engineering RFID payment systems in public transfer, I can recommend you this talk from 27c3: https://events.ccc.de/congress/2010/Fahrplan/events/4036.en.html https://events.ccc.de/congress/2010/Fahrplan/events/4036.en.... Video: http://mirror.fem-net.de/CCC/27C3/mp4-h264-HQ/27c3-4036-en-reverse_engineering_a_real_word_rfid_payment_system.mp4 http://mirror.fem-net.de/CCC/27C3/mp4-h264-HQ/27c3-4036-en-r...