公开(公告)号：US11265146B2

公开(公告)日：2022-03-01

申请号：US16398949

申请日：2019-04-30

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sangbok Han ,  Hyuncheol Park ,  Sangmin Kim ,  Seonjae Kim ,  Donghyun Lee ,  Changhoon Lee ,  Isak Choi ,  Kyungwan Han

IPC: H04L9/06 ,  H04L29/06

Abstract: An electronic apparatus for managing data based on a block chain and a method therefor are provided. The electronic apparatus includes a communication interface, a memory, and a processor to receive a request for accessing data from an authenticated user, generate first block information regarding the request by including information on the request and at least one second block information related to the request from among a plurality of second block information stored in the memory, transmit the generated first block information to at least one of a plurality of external apparatuses constituting a block chain, and update the plurality of second block information stored in the memory based on the generated first block information. The plurality of second block information includes information on a block regarding a latest access history by category among a plurality of blocks included in block chain data shared by the plurality of external apparatuses.