This is as dumb as QR codes. Obviously there will be better ways to identify people for access control in the future. For example, face recognition is plummeti

This is as dumb as QR codes. Obviously there will be better ways to identify people for access control in the future. For example, face recognition is plummeting in cost. Systems should adapt to humans, not vice versa. This will be obsolete and the users will feel dumb for having gone through it.