Exposing the flaw in tap to pay

How we hacked MKBHD! Sponsored by Incogni - Use code veritasium at https://incogni.com/veritasium to get an exclusive 60% off. If you’re looking for a molecular modelling kit, try Snatoms, a kit I invented where the atoms snap together magnetically - https://ve42.co/SnatomsV Sign up for the Veritasium newsletter for weekly science updates - https://ve42.co/Newsletter Vote for us at The Webby Awards: - https://ve42.co/bestlongform - https://ve42.co/creatorcollab ▀▀▀ 0:00 Stealing $10,000 From MKBHD 4:04 How The Hack Works 8:29 High Value vs Low Value Transactions 10:18 Tricking The Card Reader 14:20 Transit Mode 15:22 Why does this hack only work with Visa? 17:10 How does RSA encryption work? 20:13 How can you prevent this hack? 21:59 What are Visa doing about it? ▀▀▀ A huge thank you to professors Ioana Boureanu from the University of Surrey and Tom Chothia from the University of Birmingham, for supporting us with the execution and the explanation of the hack. This video would not have been possible without their support. A big thanks, too, to the University of Surrey for hosting us. And a shout out to Dr Andreea-Ina Radu who, as a researcher at the University of Birmingham on the “TimeTrust project" (2019-2023), actually went to the London Underground to collect the initial data that made this hack possible in the first place! And a massive thank you to @mkbhd and his team for agreeing to be our victim for this hack, and for being such a good sport! ▀▀▀ References: https://ve42.co/MKBHDHackRefs ▀▀▀ Special thanks to our Patreon supporters: Adam Foreman, Albert Wenger, Alex Porter, Alexander Tamas, André Powell, Anton Ragin, armedtoe, Bertrand Serlet, Blake Byers, Bruce, Cartier, Charles Ian Norman Venn, Chris Brewer, Daniel Martins, Data Don, Dave Kircher, David Johnston, David Tseng, EJ Alexandra, Evgeny Skvortsov, Garrett Mueller, Gnare, gpoly, Hayden Christensen, Hong Thai Le, Ibby Hadeed, Jeromy Johnson, Jesse Brandsoy, Juan Benet, Kelcey Steele, KeyWestr, Kyi, Lee Redden, Marinus Kuivenhoven, Mark Heising, Martin Paull, Meekay, meg noah, Michael Krugman, Moebiusol - Cristian, Orlando Bassotto, Parsee Health, Paul Peijzel, Richard Sundvall, Robson, Sam Lutfi, Shalva Bukia, Sinan Taifour, Tj Steyn, Ubiquity Ventures, Vahe Andonians, William Yoon, wolfee ▀▀▀ Writers: James Moore, Henry van Dyck & Gregor Čavlović Producer & Director: James Moore Presenter: Henry van Dyck Editor: Peter Nelson Animators: Emma Wright, Domonkos Józsa, Fabio Albertelli & Andrew Neet Assistant Editor and Sound Designer: James Stuart Researchers: Aakash Singh Bagga & Sophia Rose Camera Operators: Andrew Abballe, Henry van Dyck & Andy Perez Thumbnail Designers: Abdallah Rabah, Ren Hurley & Ben Powell Production Team: Jess Bishop-Laggett, Matthew Cavanagh, Anna Milkovic & Sulli Yost Executive Producers: Derek Muller, Gregor Čavlović & Casper Mebius Additional video/photos supplied by Getty Images & Storyblocks Music from Epidemic Sound