METHOD AND SYSTEM FOR CHECKING LOST ITEM USING LOCATION TRACKING PUBLIC KEY

摘要

When a distance between a Bluetooth device attached to belongings and a portable terminal device registered with an ownership is out of a predetermined location, even when the lost item is not reported, and lost item-related information is transmitted to portable terminal devices of members close to a lost location, information can be detected by responding to a Bluetooth device using the portable terminal devices of the members close to the lost location with a location tracking public key in which an interface capable of communicating with the Bluetooth device corresponding in a one-to-one manner.;COPYRIGHT KIPO 2020