Fuente: Wipo "IOT" According to an IoT platform system utilizing an IoT hub and a block chain of the present invention, an IoT platform can propose and control a device capable of managing an IoT device. Through the convergence of an Internet router, a watt hour meter, and a wireless communication module, an IoT device can be easily used by providing an integrated solution to service all in one platform. By using a lot of data obtained from the use of the IoT device and integrating with an application, it is possible to provide efficiency and usage guidelines for the proper use of the IoT device, thereby ensuring economic feasibility and efficiency of power use. By spreading IoT devices and proposing platform standards for IoT devices, the user prime;s life can be enhanced. By utilizing the IoT platform and enhancing the security technologies related with the same, the user can remotely control and utilize the IoT device easily. COPYRIGHT KIPO 2019