BlueID turns smartphones or other mobile devices into keys for real estate, vehicles, parcel boxes or machines. The technology behind the smart devices requires no Internet connection for functionality of use. With the ongoing process of digitalization across industries, fast and secure connections are of key relevance. Access is controlled centrally, with the function of pre- determined time settings and access settings. The digital lock increases the usability of vehicles, post boxes and machines by several individuals. (‘’sharing economy’’)