Fuente: Wipo "IOT" A control method for an IoT device, an IoT device, and a user using the IoT device each have a digital account, acquire first payment transaction data for the user using the IoT device to pay a usage fee of the IoT device with a token (S1), and determine a usage fee of the IoT device based on the acquired first payment transaction data. And determining a digital account of the IoT device corresponding to the identifier of the hardware uniquely assigned to the IoT device (S2), and based on the acquired first payment transaction data, subtracting the token from the digital account of the user and joining the digital account of the IoT device, thereby depositing a usage fee of the IoT device into the digital account of the IoT device (S3).