Abstract: A coil component includes a body having one surface and the other surface, opposing each other, both lateral surfaces respectively connecting the one surface and the other surface and opposing each other, and both end surfaces respectively connecting the both lateral surfaces and opposing each other; a coil unit disposed in the body; a first external electrode and a second external electrode, respectively connected to the coil unit and disposed to be spaced apart from each other on the one surface of the body; and a first insulating layer covering the other surface of the body, the both lateral surfaces of the body, and the both end surfaces of the body.

Abstract: A goods distribution tracking apparatus and method may request an issue of a verifiable credential including the DID of a user and distribution-related information on goods distributed by the user, receive the verifiable credential issued in response to the issue request, output the received verifiable credential in the form of encoded identification information, accurately and objectively track a goods distribution process without exposing the personal information of the user and the like, and enable a user, involved in each distribution process, to pay only the cost required for using the corresponding distribution process.

Abstract: Provided is an author verifying apparatus and method which can receive contests stored online or offline by a user, and register a verifiable credential in a decentralized network, the verifiable credential including metadata having information on at least a part of the attribute and hash value of the contents, at least some of the contents, and the DID of the user. Thus, the author verifying apparatus and method can objectively verify the creator of contents stored online or offline without an error, regardless of an environment such as the place in which the contents are stored.

Abstract: The present invention relates to a method and apparatus for providing application service in a mobile communication system. A method in which a base station provides application service comprises: a step of receiving a request for application service from a mobile terminal; and a step of providing the mobile terminal with the requested application service on the basis of application service information pre-stored in the base station and/or application service information received from an application server, in accordance with whether or not the application service information corresponding to the requested application service is pre-stored in the base station.

Abstract: The present invention relates to a method and apparatus for providing application service in a mobile communication system. A method in which a base station provides application service comprises: a step of receiving a request for application service from a mobile terminal; and a step of providing the mobile terminal with the requested application service on the basis of application service information pre-stored in the base station and/or application service information received from an application server, in accordance with whether or not the application service information corresponding to the requested application service is pre-stored in the base station.