{"created":"2025-01-19T01:05:10.392366+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00202617","sets":["1:9834:9914"]},"path":["9914"],"owner":"44499","recid":"202617","title":["ブロックチェーン技術の最新動向：4．分散台帳技術におけるコンセンサス・メカニズム"],"pubdate":{"attribute_name":"公開日","attribute_value":"2020-01-15"},"_buckets":{"deposit":"3bb82a00-500f-4f5b-8646-f1f65aaf3b53"},"_deposit":{"id":"202617","pid":{"type":"depid","value":"202617","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"ブロックチェーン技術の最新動向：4．分散台帳技術におけるコンセンサス・メカニズム","author_link":["497589","497590"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"ブロックチェーン技術の最新動向：4．分散台帳技術におけるコンセンサス・メカニズム"},{"subitem_title":"Recent Advances in Blockchain Technologies：4. Consensus Mechanisms of Distributed Ledger Technologies","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":"2020-01-15","item_1_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"日本アイ・ビー・エム（株）"}]},"item_1_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"IBM Research","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/202617/files/IPSJ-MGN610207.pdf","label":"IPSJ-MGN610207.pdf"},"date":[{"dateType":"Available","dateValue":"2022-01-15"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-MGN610207.pdf","filesize":[{"value":"1.3 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":"6f4d9039-e170-4684-bea0-6cdb962243e0","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2020 by the Information Processing Society of Japan"}]},"item_1_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"齋藤, 新"}],"nameIdentifiers":[{}]}]},"item_1_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"SAITO, Shin","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":"本稿では，分散台帳技術（DLT）で使用されるコンセンサスのメカニズムについて解説する．DLTにおいては，攻撃や故障からデータを守るため，また，データの整合性を担保するため，さまざまなコンセンサス・アルゴリズムが使用されている．これらは前提とするネットワークの性質が相異なり，それぞれに一長一短がある．本稿では，まず分散コンセンサスとそれらが求められる性質について紹介し，コンセンサス・アルゴリズムのそれぞれについて解説する．また，それらのメカニズムが処理性能・耐障害性・耐改竄性・可用性・プライバシー確保などの実現にどのように貢献しているかについて説明する．","subitem_description_type":"Other"}]},"item_1_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"175","bibliographic_titles":[{"bibliographic_title":"情報処理"}],"bibliographicPageStart":"165","bibliographicIssueDates":{"bibliographicIssueDate":"2020-01-15","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"2","bibliographicVolumeNumber":"61"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"id":202617,"updated":"2025-01-19T20:49:23.911857+00:00","links":{}}