{"id":233328,"updated":"2025-01-19T10:07:57.262775+00:00","links":{},"created":"2025-01-19T01:34:42.264330+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00233328","sets":["1164:2836:11471:11524"]},"path":["11524"],"owner":"44499","recid":"233328","title":["メタデータを用いたNFT管理システムの脆弱性分類と対策"],"pubdate":{"attribute_name":"公開日","attribute_value":"2024-03-11"},"_buckets":{"deposit":"5924931f-b04d-4eea-aa13-f27b487cc7c4"},"_deposit":{"id":"233328","pid":{"type":"depid","value":"233328","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"メタデータを用いたNFT管理システムの脆弱性分類と対策","author_link":["633565","633564","633563","633562","633566","633561"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"メタデータを用いたNFT管理システムの脆弱性分類と対策"},{"subitem_title":"Vulnerability Classification and Countermeasures for NFT Management Systems with Metadata","subitem_title_language":"en"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"秘密計算・NFT・AI ","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2024-03-11","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"九州大学"},{"subitem_text_value":"九州大学"},{"subitem_text_value":"九州大学"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Kyushu University","subitem_text_language":"en"},{"subitem_text_value":"Kyushu University","subitem_text_language":"en"},{"subitem_text_value":"Kyushu University","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/233328/files/IPSJ-DPS24198044.pdf","label":"IPSJ-DPS24198044.pdf"},"date":[{"dateType":"Available","dateValue":"2026-03-11"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-DPS24198044.pdf","filesize":[{"value":"624.6 kB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"660","billingrole":"5"},{"tax":["include_tax"],"price":"330","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"34"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"1e9b0ef6-87ae-4331-b8ad-48ec08835604","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2024 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"田仲, 巧磨"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"畑, 雄大"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"櫻井, 幸一"}],"nameIdentifiers":[{}]}]},"item_4_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Takuma, Tanaka","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Yudai, Hata","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Kouichi, Sakurai","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN10116224","subitem_source_identifier_type":"NCID"}]},"item_4_textarea_12":{"attribute_name":"Notice","attribute_value_mlt":[{"subitem_textarea_value":"SIG Technical Reports are nonrefereed and hence may later appear in any journals, conferences, symposia, etc."}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_18gh","resourcetype":"technical report"}]},"item_4_source_id_11":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"2188-8906","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"非代替性トークン (NFT : Non-Fungible Token) の一意識別性に対する攻撃が近年発生しており，NFT 市場の縮小に繋がる恐れがあると危惧されている．先行研究では，NFT とデジタルコンテンツの関係から一意識別性の障害となる脆弱性を 4 つに分類し，3 つの対策を論じている．近年，NFTとデジタルコンテンツのそれぞれにお互いのリンクやメタ情報を埋め込むことで双方向の紐づけを行うシステムが提案されている．こうしたメタデータを含むシステムにおいては，先行研究の分類がそのままでは適用できないという課題があった．本研究ではそのようなシステムを参考にし，メタデータと NFT とデジタルコンテンツすべてがそれぞれに紐付いた管理システムにおいて一意に識別できない状態を改めて 9 つに分類し，その原因についても6つの対策を与える．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"6","bibliographic_titles":[{"bibliographic_title":"研究報告マルチメディア通信と分散処理（DPS）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2024-03-11","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"44","bibliographicVolumeNumber":"2024-DPS-198"}]},"relation_version_is_last":true,"weko_creator_id":"44499"}}