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Title:
ブロックチェーンを使用するゼロ知識証明支払い
Document Type and Number:
Japanese Patent JP7166453
Kind Code:
B2
Abstract:
A zero knowledge proof purchase system and process using blockchain is disclosed. The system may comprise a customer device, a merchant system, an issuer system, and a blockchain network having a zero-knowledge proof (ZKP) smart contract. The system may implement a zero-knowledge proof algorithm haying a key generator function, a proof function, and a validate function. Each function may be configured to perform various tasks in the system to support and enable zero-knowledge proof purchases.

Inventors:
Ferenzi, Andras El.
Gail, Dallas El.
Judhave, Nireshwai.
Naik, Harish Earl.
Application Number:
JP2021525733A
Publication Date:
November 07, 2022
Filing Date:
December 11, 2019
Export Citation:
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Assignee:
AMERICAN EXPRESS TRAVEL RELATED SERVICES COMPANY, INC.
International Classes:
H04L9/32; G06Q20/38
Domestic Patent References:
JP2018007168A
Foreign References:
US20180083780
US20160253663
US20180101684
Other References:
安坂 祐紀 ほか,プライバシーを考慮したブロックチェーンの取引者間事前合意プロトコル,コンピュータセキュリティシンポジウム2018論文集 ,日本,一般社団法人情報処理学会,2018年10月15日,Vol.2018, No.2,pp.850-856
NARAYANAN, A. et al.,仮想通貨の教科書,第1版,日本,日経BP社,2016年12月09日,pp.276-288
宇根 正志,暗号資産における取引の追跡困難性と匿名性:研究動向と課題,金融研究所ディスカッション・ペーパー・シリーズ,日本,日本銀行,2018年12月06日,No.2018-J-20,pp.1-25
Attorney, Agent or Firm:
Kenzo Matsuura