Lately many countries have been digitizing payment processes. In other words, they convert existing payments to digital format. The most common way to automate payments is to use QR codes that are easily read by smartphones. The ability to encode a sufficiently large amount of information, high dama...

Recently many countries digitize payments. In other words, they convert existing payments to digital format. The most common way to automate payments is to use QR codes that are easily read by smartphones. The ability to encode a sufficiently large amount of information, high damage resistance, no n...