Card Hacking Challenge

Send solutions and writeups to https://forms.gle/2usfqLDiPaKv44oG6
Telegram channel for support https://t.me/paymentvillage
A write-up from DEF CON 30: https://www.paymentvillage.org/blog/how-to-solve-the-defcon-card-hacking-challenge 

Pre-requisites:
 - PaymentVillage.Org NFC cards. You can get them at the Payment Village booth. We are located in the Flamingo (https://defcon.outel.org/dcwp/dc31/maps/maps-flamingo-full/)
 - Android 7+ device with NFC. Payment Village SoftPOS APK link -  https://drive.google.com/file/d/1Z__QmAk8tG7eQ7fGch0T8e5RQqOUORhx/view?usp=sharing
- OR take one of our POS terminals at the booth.