BLOCKCHAIN-BASED METHOD FOR MAKING PAYMENT FOR INTERNET OF THINGS DEVICE, AND SERVER, SERVICE PROVIDING TERMINAL, AND USER ELECTRONIC WALLET USING SAME

摘要

The present invention provides a method, performed by a payment support server, for making payment for an Internet of things (IoT) device, the method comprising the steps of: (a) registering authentication certificates of the IoT device, a service providing terminal, and an electronic wallet in a blockchain DB, managing blockchain transaction IDs thereof, and when a billing transaction is acquired while being linked to the electronic wallet as a payment subject for the IoT device, checking whether the billing transaction is valid; (b) when the billing transaction is valid, acquiring, from the blockchain DB, identification information of the electronic wallet corresponding to the identification information included therein; and (c) allowing payment to be made using the corresponding electronic wallet, registering the result of the payment in the blockchain DB, managing the blockchain transaction ID thereof, and transmitting the result to at least one of the service providing terminal, the IoT device, and the electronic wallet.