On-chain notification receiving method and system

The invention provides an on-chain notification receiving method and receiving system. The method comprises the steps that Internet of Things equipment registers a monitoring block chain event notification service to a relay service; the relay service monitors a block outlet event of a block chain to obtain a target block chain notification related to the Internet of Things device; the relay service sends the target block chain notification to the Internet of Things equipment; and the Internet of Things equipment verifies the correctness of the target block chain notification by using internally stored latest block outlet committee information, and makes a response according to the content of the target block chain notification after the verification is passed. According to the method and the device, the Internet of Things equipment can receive the on-chain notification trustingly, and a data closed loop of data up-chain-on-chain processing-off-chain response is formed. 本申请提供一种链上通知接收方法和接收系统，该方法包括物联网设备向中继服务注册监