The combination of blockchain and the Internet of Things can have (　　)A:Collect data for the Internet of Things B:As a control command for the Internet of Things C:Store the hash code of the data collected by the Internet of Things D:Securing the Internet of Things 答案: Collect data for the Internet of Things; As a control command for the Internet of Things; Store the hash code of the data collected by the Internet of Things; Securing the Internet of Things