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It goes without saying that the use of FIDO based services, especially financial areas is becoming more and more widespread these days. FIDO services are adapting a variety of service areas such as easy payment, money transfer, ATM withdrawal/savings, and single sign-on, etc. Because FIDO service uses standard public key cryptography techniques to provide stronger authentication and securely saves a user’s bio-information in the smartphone. But when registered, FIDO only confirms the match between pre–enrolled fingerprints and the one on the registration process. In other words, FIDO is not able to verify the person’s identity. The user has to register his/her biometric information in each sites. It is our purpose to solve these problems by implementing FIDO and PKI technologies adapted in current FIDO service and accredited certification system. The proposed secure biometric authentication framework provides the centralized biometric authentication framework in Fintech environment that a variety of services need the interoperability of user’s biometric information in order to protect user’s privacy and increase convenience of customers.