The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 11, 2023
Filed:
May. 28, 2020
Applicant:
Samsung Sds Co., Ltd., Seoul, KR;
Inventors:
Young Yoo Heo, Seoul, KR;
Kwang Cheol Lee, Seoul, KR;
Sang Ji Bae, Seoul, KR;
Jun Tae Kim, Seoul, KR;
Jung Eun Lee, Seoul, KR;
Kyu Sang Lee, Seoul, KR;
Assignee:
SAMSUNG SDS CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 16/23 (2019.01);
U.S. Cl.
CPC ...
G06F 16/2365 (2019.01); G06F 16/2315 (2019.01);
Abstract
A blockchain based data management method performed by a computing device according to an embodiment of the present disclosure includes recording a deletion event for off-chain data and time information of the deletion event in a blockchain network, and selectively deleting the off-chain data based on a validity verification result calculated for the time information, wherein the validity verification result is calculated using a time-consensus algorithm of the blockchain network.