{"id":174183,"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00174183","sets":["1:8403:8412"]},"path":["8412"],"owner":"13","recid":"174183","title":["フィンテック：2．透明性と公平性を実現するブロックチェーン技術"],"pubdate":{"attribute_name":"公開日","attribute_value":"2016-08-15"},"_buckets":{"deposit":"06cc7445-6b19-4f76-8b23-3667554e5bf7"},"_deposit":{"id":"174183","pid":{"type":"depid","value":"174183","revision_id":0},"owners":[13],"status":"published","created_by":13},"item_title":"フィンテック：2．透明性と公平性を実現するブロックチェーン技術","author_link":["356454","356455"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"フィンテック：2．透明性と公平性を実現するブロックチェーン技術"},{"subitem_title":"Fintech：2. Using Blockchains for Fairness and Transparency","subitem_title_language":"en"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"特集","subitem_subject_scheme":"Other"}]},"item_type_id":"1","publish_date":"2016-08-15","item_1_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"NEC セキュリティ研究所"}]},"item_1_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"NEC Security Research Labs.","subitem_text_language":"en"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_publisher":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"情報処理学会","subitem_publisher_language":"ja"}]},"publish_status":"0","weko_shared_id":-1,"item_file_price":{"attribute_name":"Billing file","attribute_type":"file","attribute_value_mlt":[{"url":{"url":"https://ipsj.ixsq.nii.ac.jp/record/174183/files/IPSJ-MGN570911.pdf","label":"IPSJ-MGN570911.pdf"},"date":[{"dateType":"Available","dateValue":"2018-08-15"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-MGN570911.pdf","filesize":[{"value":"22.7 MB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"660","billingrole":"5"},{"tax":["include_tax"],"price":"0","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"6d6a1444-14e5-4bf2-9f57-754055e2d791","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2016 by the Information Processing Society of Japan"}]},"item_1_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"佐古, 和恵"}],"nameIdentifiers":[{}]}]},"item_1_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"SAKO, Kazue","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_1_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN00116625","subitem_source_identifier_type":"NCID"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_6501","resourcetype":"article"}]},"item_1_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"ビットコインでつかわれる取引履歴を塊（ブロック）にしてチェーン状につなげる履歴管理の手法が，「ブロックチェーン」と呼ばれ着目されている．この手法により，誰かひとりを信頼しなくても，正しいとされる履歴を複数のプレーヤで公平に，透明性をもって管理できるため，さまざまな応用が考えられている．本稿では，ブロックチェーンが，ハッシュチェーン技術をベースにプルーフオブワークという要素をつかってどのように構成されているかを解説するとともに，それ以外の構成法についても紹介する．","subitem_description_type":"Other"}]},"item_1_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"869","bibliographic_titles":[{"bibliographic_title":"情報処理"}],"bibliographicPageStart":"864","bibliographicIssueDates":{"bibliographicIssueDate":"2016-08-15","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"9","bibliographicVolumeNumber":"57"}]},"relation_version_is_last":true,"weko_creator_id":"13"},"updated":"2025-01-20T06:59:50.840901+00:00","created":"2025-01-19T00:44:24.646616+00:00","links":{}}