Systems and methods for verifying users in connection with transactions are disclosed. One exemplary method includes, based on the payment card device being presented at a terminal, initiating, by a security chip of the payment card device, a timer and then based on the timer being unexpired, capturing, by a biometric sensor of the payment card device, a biometric image and verifying, by the security chip, the captured biometric image against reference biometric data stored the payment card device. The method also includes, based on the captured biometric image being verified, cooperating, by the security chip, with the terminal, to initiate a transaction to an account using a first account number specific to a biometric application of the payment card device.