Quick Response (QR) Codes are a type of 2D matrix barcode designed for fast readability and large storage capacity. QR Codes are used primarily in advertising materials as a way to track and encourage engagement.

learn more… | top users | synonyms

1
vote
2answers
32 views

Sharing information between users on QR codes - better to pull from a server?

I'm building an app that revolves around users scanning each other's QR codes and sharing information. This would be the main feature of the app, but often times the information in the QR code can ...