Looks good.
Here are a few fun posts (mostly junk filled but a few relevant key items)
https://hotcopper.com.au/posts/52387282/single
https://hotcopper.com.au/posts/52371612/single
Tabby and some other BNPL also uses a QR codes instore aswell for their merchants. Seems a good method.
Covid also has made QR codes very well known and educated the entire populations on what they are and how to use them.