That always works for me! >You cannot change or cancel your iris or fingerprint like you can change a password or cancel a credit card. >enterprising fraudsters are leagues ahead of the authorities >they are telling bank customers to lock their biometrics at m-Aadhaar app/UIDAI portal and start using a four-digit pin to authenticate payments and prevent unauthorized access to their bank accounts. But... but my iris scan is supposed to be so safe and convenient! 4-digit pin? I wonder if 1-2-3-4 will work? >This should (but probably won’t) serve as a cautionary tale for all the other governments and companies around the world seeking to harness the power of biometric identifiers and digital identity.