Posted

0 replies · 0 reposts · 0 likes

This Veritasium episode explains the historical development of debit/credit card-reading-technology, from manual card-readers to magnetic strips to microchips-with-PINs to RFID, which derives from "Cold War" espionage technology to use short-distance magnetic fields to induce an electromagnetic signal from debit/credit cards to reveal payment information, which is fast (and contactless) but still not entirely secure. https://www.youtube.com/watch?v=YSJY3DvnybE #History #Technology #Security #Privacy #CreditCards #DebitCards #RFID #Espionage

View this post on Gab