When using the code on the paper to access funds, any wallet that has a «import private key» feature will accept the code to be scanned and most do. (cryptomorrow.com)
By using the code in the legend, the kind of interactions with individual students can also be determined and patterns revealed. (eobservations.com)
I'll also earn points as part of they're referral program if you make a purchase using my code. (teadoddles.com)