Fecha de publicación: 22/01/2021 Fuente: Wipo "IOT" The invention provides an Internet-of-Things access control method with a dynamic consensus based on an alliance block chain, and the method comprises the steps: dividing an Internet-of-Things scene into a plurality of IoT domains, enabling each IoT domain to comprise an IoT gateway and IoT equipment, selecting the IoT gateway subjected to CA authentication as a peer node, adding the peer node toan alliance block chain network, deploying the chain code on the IoT gateway to provide access control, access strategy management and trust evaluation related interface functions, connecting the IoTdevice with the IoT gateway in the corresponding domain and performing access control related data interaction by using an MQTT protocol; in addition, according to the method, the IoT gateway can be dynamically selected as a consensus sorting node according to an IoT domain trust evaluation result, and a Raft consensus mechanism is used for carrying out consensus sorting. The Internet-of-Things access control method based on the alliance block chain and having the dynamic consensus has the advantages that efficient and reliable access control is achieved.