A blocking device and a computer-implemented method for preventing an ignition of a vehicle of a novice driver when a supervising driver is not present, the method includes one or more computer processors blocking an ignition circuit of a vehicle. The method includes one or more computer processors receiving a first biometric identification of a supervising driver from a biometric device and determining whether the first biometric identification matches a verified biometric identification of the supervising driver stored in a blocking device. Furthermore, responsive to determining that the first biometric identification matches the verified biometric identification of the supervising driver stored in the blocking device, the method includes one or more computer processors, unblocking the ignition circuit of the vehicle.
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