JP2017098806A5 - - Google Patents

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JP2017098806A5
JP2017098806A5 JP2015230306A JP2015230306A JP2017098806A5 JP 2017098806 A5 JP2017098806 A5 JP 2017098806A5 JP 2015230306 A JP2015230306 A JP 2015230306A JP 2015230306 A JP2015230306 A JP 2015230306A JP 2017098806 A5 JP2017098806 A5 JP 2017098806A5
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JP2017098806A (ja
JP6608256B2 (ja
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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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Application Number Priority Date Filing Date Title
JP2015230306A JP6608256B2 (ja) 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

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JP2015230306A JP6608256B2 (ja) 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

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JP2017055290A Division JP6275302B2 (ja) 2017-03-22 2017-03-22 存在証明装置、存在証明方法、及びそのためのプログラム

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JP2017098806A JP2017098806A (ja) 2017-06-01
JP2017098806A5 true JP2017098806A5 (https=) 2019-01-24
JP6608256B2 JP6608256B2 (ja) 2019-11-20

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Families Citing this family (24)

* Cited by examiner, † Cited by third party
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CN107392600B (zh) * 2017-06-26 2020-12-29 中国人民银行数字货币研究所 数字货币交易付款登记方法和系统
CN107316239A (zh) * 2017-07-14 2017-11-03 众安信息技术服务有限公司 一种基于区块链的信息认证和溯源方法及系统
EP3435270B1 (de) * 2017-07-27 2020-09-23 Siemens Aktiengesellschaft Vorrichtung und verfahren zum kryptographisch geschützten betrieb einer virtuellen maschine
GB201713046D0 (en) * 2017-08-15 2017-09-27 Nchain Holdings Ltd Computer-implemented system and method
CN111095254B (zh) 2017-09-14 2023-09-29 索尼公司 信息处理设备、信息处理方法和程序
JPWO2019054038A1 (ja) * 2017-09-14 2020-10-15 ソニー株式会社 情報処理装置、情報処理方法およびプログラム
US11720689B2 (en) 2017-10-27 2023-08-08 Nippon Telegraph And Telephone Corporation Data registration method, data decryption method, data structure, computer, and program
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
EP3704607A1 (en) * 2017-11-02 2020-09-09 Nchain Holdings Limited Computer-implemented systems and methods for linking a blockchain to a digital twin
KR102067882B1 (ko) * 2017-12-29 2020-02-11 부경대학교 산학협력단 블록체인 기반 데이터 접근 제어 시스템 및 방법
LU100700B1 (en) * 2018-02-12 2019-08-21 Post Luxembourg Method and devices for keyless secure data communication
JP7031374B2 (ja) 2018-03-01 2022-03-08 株式会社デンソー 検証端末、検証システム
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
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
JP6533924B1 (ja) * 2018-11-12 2019-06-26 株式会社Ｎｅｘｐｏｉｎｔ 情報処理システム
WO2020109909A1 (en) * 2018-11-27 2020-06-04 nChain Holdings Limited Systems and methods for efficient and secure processing, accessing and transmission of data via a blockchain network
JP7260093B2 (ja) * 2019-04-26 2023-04-18 株式会社Nexpoint 情報処理システム
CN114127706A (zh) 2019-05-23 2022-03-01 N·霍斯特 将实际事件的数字表示与其发生的真实时间绑定的方法
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
JP7399838B2 (ja) 2020-11-06 2023-12-18 株式会社東芝 情報処理方法、情報処理システム及びコンピュータプログラム
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

Family Cites Families (4)

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Publication number Priority date Publication date Assignee Title
JP2002049590A (ja) * 2000-08-04 2002-02-15 Hitachi Ltd 電子公証システム
US8510566B1 (en) * 2009-09-29 2013-08-13 Emc Corporation Authentic time-stamping for archival storage
WO2015175722A1 (en) * 2014-05-13 2015-11-19 Nant Holdings Ip, Llc Healthcare transaction validation via blockchain proof-of-work, systems and methods
CN104735164B (zh) * 2015-04-10 2018-05-18 网易（杭州）网络有限公司 一种保存文件信息的方法和装置

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