2020年に世界的に流行した新型コロナウイルス感染症(COVID-19)により、タッチ決済などの非接触型技術が急速に普及しました。こうした非接触型技術の1つである、正方形の白黒コードをカメラで読み取る「QRコード」について、暗号化プロトコルの専門家で ...

QR codes are a technology developed in 1994 by DENSO, an auto parts manufacturer belonging to the Toyota Group. At the time, DENSO's manufacturing plants managed various parts with barcodes, but in ...

QR codes have a wide range of uses that help people avoid contact with objects and close interactions with other people, including for sharing restaurant menus, email list sign-ups, car and home sales ...

Software built into the cameras on iPhones and Android phones makes quick work of decoding QR codes. How do you do that on a laptop or desktop computer? I have a friend who calls me occasionally to ...

What is a QR code? How Do QR Codes Work? A QR code is a machine-readable matrix barcode and it stands for “quick response” code. You can use the camera app on any phone to scan a QR code. After being ...