METHOD FOR MAKING PAYMENT FOR INTERNET OF THINGS DEVICE BY MEANS OF BLOCKCHAIN DATABASE AND MERKLE TREE STRUCTURE INTERWORKING THEREWITH, AND SERVER, SERVICE PROVIDING TERMINAL AND ELECTRONIC USER WALLET USING SAME

摘要

The present invention provides a method, for making payment for an Internet of Things (IoT) device, comprising the steps of: (a) a payment support server registering certificates of an electronic wallet, an IoT device and a service providing terminal to a blockchain database, managing transaction IDs of the blockchain thereof, and confirming validity if a cost charging transaction is acquired while the electronic wallet is linked as a payment agent with respect to the IoT device; (b) if the validity is confirmed, acquiring identification information of the electronic wallet corresponding to comprised identification information from the blockchain database; and (c) enabling payment by means of the corresponding electronic wallet, registering the cost payment result to the blockchain database, managing the blockchain transaction ID thereof, and transmitting same to one or more of the service providing terminal, the IoT device and the electronic wallet.