qr code

Launched in 1994 in Japan, QR codes are gradually gaining popularity in the world and providing many conveniences for sharing information.

Barcodes and QR codes have become very popular and are played on most products today. A way to manage and help buyers check product information.

Scientists from the University of Mining and Technology, South Dakota (SDMT - France) said on September 12 that they have invented an invisible card using cryptography.