公开(公告)号：US20200372008A1

公开(公告)日：2020-11-26

申请号：US16878642

申请日：2020-05-20

Applicant: OBOOK INC.

Inventor： Chun Kai Wang ,  Chung Han Hsieh ,  Hsiu An Teng ,  Chih Yang Liu

IPC: G06F16/23 ,  G06F21/64 ,  H04L9/06 ,  H04L9/32

Abstract: A method for determining integrity of information of an object, comprises generating a first data corresponding to the information of the object and generating a first representative data corresponding to the first data; storing the first data to a database, and adding the first representative data into a first block of a blockchain; reading a second data from the database in response to a command for retrieving the first data from the database; using the first block to indicate whether the second data is identical to the first data.