Fecha de publicación: 20/06/2024 Fuente: Wipo "IOT" A blockchain P2P network-based IoT device software update method and device are disclosed. The blockchain P2P network-based IoT device software update method according to an embodiment of the present invention may comprise the steps in which: as an IoT provider uploads a firmware binary to a central server, an IoT gateway downloads verification data related to the firmware binary from the central server through a blockchain, and verifies the verification data through the blockchain; and an IoT device selects required specific firmware from the firmware binary with reference to reputation according to the verification, and receives the firmware from the central server via the IoT gateway.