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:
Jun. 03, 2025

Filed:

Nov. 07, 2022
Applicant:

Electronics and Telecommunications Research Institute, Daejeon, KR;

Inventors:

Changhyun Lee, Daejeon, KR;

Jintae Oh, Daejeon, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/32 (2006.01); G06F 17/18 (2006.01); H04L 9/00 (2022.01);
U.S. Cl.
CPC ...
H04L 9/3247 (2013.01); G06F 17/18 (2013.01); H04L 9/50 (2022.05);
Abstract

Disclosed herein are an apparatus and method for distributed consensus in an environment in which a fraction of Byzantine nodes is dynamically changed. The distributed consensus apparatus in a dynamic Byzantine fraction environment includes one or more processor and executable memory for storing at least one program executed by the one or more processors. The at least one program is configured to calculate a stochastic variable for the probability that a preset fraction of Byzantine nodes is changed using the probability that at least one of consensus candidate nodes corresponding to a preset consensus quorum is changed to a Byzantine node and to perform distributed consensus using the stochastic variable in the dynamic Byzantine fraction environment.


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