What the business department wants is a copy of the bank card, and the fingerprint is confirmation information to avoid being arrogant.
Fingerprint is a line formed by the uneven skin of human fingertips. It seems that fingerprints will increase the friction when hands touch objects. (In fact, fingerprints reduce friction, making the skin easier to stretch and deform, and avoiding skin injury. For more information, see the fingerprint usage section. ). This makes it easier to exert force and grasp things, which is naturally formed in the process of human evolution.