What are the advantages of paying by brushing your face? How to promote it?

The advantages of brush face payment are: improving convenience and reducing checkout time; There is no need to remember complicated accounts and passwords; For businesses, reduce staff costs and site area; You don't have to take out your cell phone. The disadvantages are: it depends on biometric identification technology, but the payment for face brushing is not the complete payment for scanning the whole face, but the fuzzy recognition based on the approximate characteristics of the whole face; There are doubts about the safety of the two state tests with and without makeup; How to identify the faces of twins and whether they are safe; There are doubts about whether the public face is safe; Whether the simulated face can be safe or not, the current 3D simulation technology is also very developed; Brush face payment may violate the rules, resulting in "Ye Cheng technology, lose technology".

Promotion methods can be set up in public places such as shopping malls and supermarkets, and can also be promoted through the Internet.