JP6608256B2 - 電子データの存在証明プログラムおよび存在証明サーバ - Google Patents

電子データの存在証明プログラムおよび存在証明サーバ Download PDF

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JP6608256B2
JP6608256B2 JP2015230306A JP2015230306A JP6608256B2 JP 6608256 B2 JP6608256 B2 JP 6608256B2 JP 2015230306 A JP2015230306 A JP 2015230306A JP 2015230306 A JP2015230306 A JP 2015230306A JP 6608256 B2 JP6608256 B2 JP 6608256B2
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JP2017098806A (ja
JP2017098806A5 (enrdf_load_stackoverflow
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裕三 加納
峰史 小宮山
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BitFlyer Blockchain Inc
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JP2015230306A 2015-11-26 2015-11-26 電子データの存在証明プログラムおよび存在証明サーバ Active JP6608256B2 (ja)

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JP2017098806A5 JP2017098806A5 (enrdf_load_stackoverflow) 2019-01-24
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JP6326173B1 (ja) * 2017-10-31 2018-05-16 株式会社インフォマート データ送受信システム及びデータ送受信方法
KR102606945B1 (ko) * 2017-11-02 2023-11-29 엔체인 홀딩스 리미티드 블록체인 기술과 디지털 트윈을 결합하기 위한 컴퓨터 구현 시스템 및 방법
KR102067882B1 (ko) * 2017-12-29 2020-02-11 부경대학교 산학협력단 블록체인 기반 데이터 접근 제어 시스템 및 방법
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CN112491551B (zh) * 2018-06-29 2023-01-20 创新先进技术有限公司 基于区块链的数据验证方法及装置、电子设备
CN108876375B (zh) * 2018-06-29 2020-09-08 全链通有限公司 区块链实名参与方法和系统
JP6533924B1 (ja) * 2018-11-12 2019-06-26 株式会社Ｎｅｘｐｏｉｎｔ 情報処理システム
WO2020109911A1 (en) * 2018-11-27 2020-06-04 nChain Holdings Limited Computer implemented system and method for storing data on a blockchain
JP7260093B2 (ja) * 2019-04-26 2023-04-18 株式会社Nexpoint 情報処理システム
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CN111339571B (zh) * 2020-02-28 2022-08-23 百度在线网络技术（北京）有限公司 一种区块链密钥管理方法、装置、设备和存储介质
CN111475574B (zh) * 2020-04-09 2023-07-11 成都九宽科技有限公司 一种基于区块链的数据采集装置
CN112035891B (zh) * 2020-07-20 2024-11-19 傲为有限公司 一种去中心化电子合同证明平台
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KR102829467B1 (ko) * 2021-12-08 2025-07-03 고려대학교 산학협력단 블록체인 기반 증거자료 공증 시스템의 제어방법, 이를 수행하기 위한 기록매체 및 시스템
WO2024062525A1 (ja) * 2022-09-20 2024-03-28 日本電信電話株式会社 情報処理端末、機械学習方法、情報処理方法、及びプログラム

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US12314440B2 (en) 2020-11-06 2025-05-27 Kabushiki Kaisha Toshiba Information processing method, information processing system, and non-transitory computer readable medium

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