3 ms·
True, but it's easier to tell 1d3af66... apart from 3e5d115f... than 2 QR codes, especially if the QR codes are separated by a minute.
by eterm 13y ago
True, but it's easier to tell 1d3af66... apart from 3e5d115f... than 2 QR codes, especially if the QR codes are separated by a minute.