A flow control valve is provided including a valve aperture in a valve body configured to convey fuel from an inlet to an outlet, a valve element configured to close the valve aperture to block flow of the fuel, a valve actuator configured to shift the position of the valve element between a closed position and an open position, and an antifraud circuit. The antifraud circuit is configured to receive a signal to open the flow control valve, determine if the signal is legitimate based on a signal characteristic, cause the flow control valve to shift to the open position in response to determining that the signal is legitimate.