A method and device for communication that is comprehensive among users, including receiving information concerning a first state transition in an autonomous driving system from a user of the autonomous driving system, determining information concerning a state of the autonomous driving system, based on the information concerning the first state transition and at least one second state transition, and saving the information concerning the state in at least one block chain. A method and device for communication in a user that is comprehensive among users, including determining a first state transition in the autonomous driving system based on information concerning a state of the autonomous driving system, information concerning at least one second state transition in the autonomous driving system being received from at least one block chain, and the state of the autonomous driving system being determined based on the information concerning the at least one second state transition.