Title:
METHOD FOR PRIVACY-PRESERVING DATA ANALYSIS IN PERMISSIONED BLOCKCHAIN SYSTEM
Document Type and Number:
WIPO Patent Application WO/2020/189846
Kind Code:
A1
Abstract:
The present invention relates to a method for privacy-preserving data analysis in a permissioned blockchain system and, more specifically, to a method for privacy-preserving data analysis in a permissioned blockchain system, wherein when specific data analysis is performed in a blockchain-based system, a value, which is obtained by adding noise to a response of a secret distributed ledger with respect to a query, is returned so as to enable data analysis to be performed while preserving personal privacy.
Inventors:
SEO CHANGHO (KR)
KIM HYUNIL (KR)
SUNG YEOULOUK (KR)
KIM HYUNIL (KR)
SUNG YEOULOUK (KR)
Application Number:
PCT/KR2019/006498
Publication Date:
September 24, 2020
Filing Date:
May 30, 2019
Export Citation:
Assignee:
NAT UNIV KONGJU IND UNIV COOP FOUND (KR)
International Classes:
G06F16/2452; G06F15/16; G06F16/2453; G06F21/62; H04L29/08
Foreign References:
| KR101946196B1 | 2019-02-08 | |||
| KR20180095896A | 2018-08-28 | |||
| US20070143289A1 | 2007-06-21 | |||
| US20160335455A1 | 2016-11-17 |
Other References:
E-FINANCE AND FINANCIAL SECURITY, 26 April 2017 (2017-04-26), ISSN: 2671-7093, Retrieved from the Internet
JUNG, KANGSOO ET AL.: "Research on Deidentification Technique Based on Differential Privacy", REVIEW OF KIISC, vol. 28, no. 2, April 2018 (2018-04-01), pages 61 - 77, Retrieved from the Internet
JUNG, KANGSOO ET AL.: "Research on Deidentification Technique Based on Differential Privacy", REVIEW OF KIISC, vol. 28, no. 2, April 2018 (2018-04-01), pages 61 - 77, Retrieved from the Internet
Attorney, Agent or Firm:
KANG, Jeongvin et al. (KR)
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