The 'Square Of China' QFPay Is Processing $400M Per Year

Two years back, Square was a favorite hunting ground for us here at Statspotting. We had spotted quite a few stats on Square - but transaction numbers were the big ones. We had spotted some stats on India's square as well. We spotted this stat today, on the 'Square of China' - QFPay is processing close to 400 Million USDs a year (Source)

Well, the basic idea that you could have an add-on device to your smartphone to accept card payments has gone mainstream. More or less.