{"updated":"2025-01-19T13:36:21.359242+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00222808","sets":["1:10711:11056"]},"path":["11056"],"owner":"44499","recid":"222808","title":["ブロックチェーンで信頼性を担保する：1．トラストレスのメカニズム"],"pubdate":{"attribute_name":"公開日","attribute_value":"2022-12-15"},"_buckets":{"deposit":"23dede09-18f0-49f8-99a3-8697739479f2"},"_deposit":{"id":"222808","pid":{"type":"depid","value":"222808","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"ブロックチェーンで信頼性を担保する：1．トラストレスのメカニズム","author_link":["585014","585013"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"ブロックチェーンで信頼性を担保する：1．トラストレスのメカニズム"},{"subitem_title":"Ensuring Reliability with Blockchain：The Mechanism of Trustless","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":"30","publish_date":"2022-12-15","item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_30_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"京都大学"}]},"item_30_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Kyoto Univ.","subitem_text_language":"en"}]},"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/222808/files/IPSJ-O-MGN640101.pdf","label":"IPSJ-O-MGN640101.pdf"},"date":[{"dateType":"Available","dateValue":"2024-12-15"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-O-MGN640101.pdf","filesize":[{"value":"3.8 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":"7c2c0339-13c9-4dd7-9b67-2fcb1db46277","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2023 by the Information Processing Society of Japan"}]},"item_30_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"首藤, 一幸"}],"nameIdentifiers":[{}]}]},"item_30_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"SHUDO, Kazuyuki","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"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_30_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_30_publisher_14":{"attribute_name":"公開者","attribute_value_mlt":[{"subitem_publisher":"情報処理学会","subitem_publisher_language":"ja"}]},"item_30_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"2008年に発表されたBitcoinは，特定の人や組織を信頼する必要なしに，電子なお金を成立させました．この「トラストレス」という性質は，Bitcoinに端を発する暗号通貨，そしてブロックチェーンの中核的な価値です．しかしこの性質は無条件に成り立つわけではなく，トランザクション承認方式や，ブロックチェーンの運用形態を注意深く選び，承認の権限を適切に分散させる必要があります．トラストレスという性質は，特にお金や価値交換の領域で，それまで国や大組織しかできなかったことを個人に開放しました．これにより新しい試みが数多くなされ，ブロックチェーンの領域ではさまざまな革新が起き続けています．","subitem_description_type":"Other"}]},"item_30_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"e6","bibliographic_titles":[{"bibliographic_title":"情報処理"}],"bibliographicPageStart":"e1","bibliographicIssueDates":{"bibliographicIssueDate":"2022-12-15","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"1","bibliographicVolumeNumber":"64"}]},"relation_version_is_last":true,"item_30_identifier_registration":{"attribute_name":"ID登録","attribute_value_mlt":[{"subitem_identifier_reg_text":"10.20729/00222699","subitem_identifier_reg_type":"JaLC"}]},"weko_creator_id":"44499"},"created":"2025-01-19T01:22:44.721175+00:00","id":222808,"links":{}}