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.

Date of Patent:
Oct. 10, 2023

Filed:

Jun. 12, 2020
Applicant:

Korea University Research and Business Foundation, Seoul, KR;

Inventors:

Hwangnam Kim, Seoul, KR;

Seong-Joon Park, Seoul, KR;

Seounghwan Oh, Seongnam-si, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06Q 40/04 (2012.01); G06F 16/23 (2019.01); G06Q 20/36 (2012.01); G06Q 20/38 (2012.01); G06Q 50/26 (2012.01); G06Q 30/018 (2023.01);
U.S. Cl.
CPC ...
G06Q 40/04 (2013.01); G06F 16/2365 (2019.01); G06Q 20/3674 (2013.01); G06Q 20/3678 (2013.01); G06Q 20/383 (2013.01); G06Q 20/3825 (2013.01); G06Q 30/0185 (2013.01); G06Q 50/265 (2013.01); G06Q 2220/12 (2013.01); G06Q 2220/18 (2013.01);
Abstract

Disclosed is a method for trading private information access rights based on a distributed ledger, performed by a distributed network system including a plurality of distributed servers to perform authentication and store a token, the method including giving rights to use the token to a buyer terminal by performing authentication upon receiving a token trade request, permitting a service application server to use the token by performing authentication upon receiving a token usage request, providing, by the service application server, a predefined service by using the token and broadcasting usage detail of the token to the distributed network system, and updating, by the distributed server, the usage detail of the token.


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