Because biometrics-based authentication offers several advantages face to other authentication methods, it is important that such systems be designed to withstand attacks. Reliability and privacy for the public acceptance of the system are also important factors. BioHashing is presented as a new technique to moderate the impact of susceptible threats. The acceptance of this approach depends on whether it has low error rates and is tamper proof. We study so in this paper, the relevant advances in this area being more focused on fingerprint modality due to its widespread usage. We also consider a FingerHashing smartcard-based implementation and try to emphasize how this system can meet a secured biometric system.