The satellite and the contract are only verified, and then the event is triggered automatically according to the contract. The police make a judgment based on the alarm and monitoring information.

If the deviation from the scheduled route is too large or the positioning timeout (to prevent the driver from placing a signal jammer on the vehicle), the pre-alarm event is automatically triggered to call the monitoring.

Through the above points, we believe that the CallMe blockchain e-hailing system can Achieve – Choose once, Safely travel around the world!