Paul Baier

PathCheck announces “Celebrate the (Covid ) Shot” Party Fri Jul 23

 

PathCheck Releases Free Covid QR Verifier App for the State of CA

Media Alert PathCheck Releases Free Covid QR Verifier App for the State of CA New tool to fight fraudulent paper CDC cards in a privacy preserving way  MIT Professor Ramesh Raskar states that cryptography-signed QR codes are the best way to prevent...