ANONYMOUS DEVICE OPERATION

An appliance includes a processor, a medium, a registration application, and a monitoring application. The registration application includes instructions in the medium that, when read and executed bythe processor, configure the registration application to write a transaction identifier to a start message, the transaction identifier identifying the appliance, write a dataset of interest identifierto the start message, and send the start message to a database. The dataset of interest identifies a group of appliances including the appliance. The monitoring application includes instructions in the medium that, when read and executed by the processor, configure the monitoring application to monitor operations executed on the appliance, write data resulting from the operations to a data message, and send the data message anonymously to the database. The data message is signed with a member key associated with the group of appliances. 种器具包括处理器、介质、注册应用、以及监测应用。所述注册应用包括所述介质中的指令，所述指令当由所述处理器读取和执行时将所述注册应用配置成：将事务标识符写入开始消息，