{"links":{},"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00202614","sets":["1:9834:9914"]},"path":["9914"],"owner":"44499","recid":"202614","title":["ブロックチェーン技術の最新動向：1．Bitcoin技術のその後の動向"],"pubdate":{"attribute_name":"公開日","attribute_value":"2020-01-15"},"_buckets":{"deposit":"9062b5d7-d045-4a30-a5a0-418365072766"},"_deposit":{"id":"202614","pid":{"type":"depid","value":"202614","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：1．Bitcoin技術のその後の動向","author_link":["497580","497582","497583","497584","497579","497581"],"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：1．Bitcoin技術のその後の動向"},{"subitem_title":"Recent Advances in Blockchain Technologies：1. Recent Enhancements over Bitcoin 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":"NEC"},{"subitem_text_value":"NEC"},{"subitem_text_value":"NEC"}]},"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"},{"subitem_text_value":"NEC Security Research Labs.","subitem_text_language":"en"},{"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/202614/files/IPSJ-MGN610204.pdf","label":"IPSJ-MGN610204.pdf"},"date":[{"dateType":"Available","dateValue":"2022-01-15"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-MGN610204.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":"380253bb-b7ad-4bda-8805-57510371c48f","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":"佐古, 和恵"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"古川, 諒"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"中川, 紗菜美"}],"nameIdentifiers":[{}]}]},"item_1_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"SAKO, Kazue","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"FURUKAWA, Ryo","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"NAKAGAWA, Sanami","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，サトシナカモトが論文に著したBitcoin以来，さまざまな開発者によって提案されている拡張案や代案の一部を紹介する．具体的には，Bitcoinのスケーラビリティを向上させるためのMicro Payment ChannelやLightening Networkの概要を紹介するとともに，ブロックチェーン間の資産移転を実現するSide-channelやAtomic Swapと呼ばれる方式を概説する．さらに，ECDSA署名に代わりSchnorr署名を活用することによって，効率化が見込まれる機能を紹介する．","subitem_description_type":"Other"}]},"item_1_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"151","bibliographic_titles":[{"bibliographic_title":"情報処理"}],"bibliographicPageStart":"144","bibliographicIssueDates":{"bibliographicIssueDate":"2020-01-15","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"2","bibliographicVolumeNumber":"61"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"created":"2025-01-19T01:05:10.220726+00:00","updated":"2025-01-19T20:49:27.141053+00:00","id":202614}