Attendees: Wenjing Chu （FutureWei）, Angel Li （W3C）, 蒋晓黎（寰宇信任），赵峰，赵鹏，杨学轶，沈慧海（华为），郑黎方（寰宇信任），罗夏朴（港理工） 1. Wenjing Chu, C2PA以及如何与DID/VC分布式认证联系起来 赵鹏: C2PA能否防止盗用？例如去除C2PA信息，然后盗用，再发布。Wenjing Chu：不行，无法防止盗用，只能检查真实性。 赵鹏: 关注针对3D模型的C2PA的发展 罗夏朴：照相机需要有私钥来做签名，可能会带来安全隐患。Wenjing Chu：现在相机还未使用，需要安全硬件。 蒋晓黎：C2PA是否有详细的标准？Wenjing Chu：W3C有个标准，也有不少具体实现。 蒋晓黎：公钥管理，CA还是区块链；Wenjing Chu：都可以。 郑黎方：如何验证公钥匙属于某个用户的；Wenjing Chu & Angel Li: DID https://www.w3.org/TR/did-core 把身份和设备关联在一起。Verifiable credential https://www.w3.org/TR/2022/WD-vc-data-integrity-20221110/ https://www.w3.org/TR/2022/WD-vc-data-model-2.0-20220811/ https://www.w3.org/TR/vc-data-model/ 2. 蒋晓黎: 视频，数字资产的确权，认证 赵鹏：数字资产是元宇宙的核心资产；数字版权管理的保护和管理能力元宇宙中的数字资产同样需要；数字资产生产即确权，follow C2PA来演进，利用数字指纹/水印来确权；数字资产在线授权；数字资产收益自动结算；数字资产在线维权。Chu: 数字资产如3D模型的格式，如何利用DID。 赵鹏：数字资产的保护。媒体在浏览器基于EME保护，3D模型在浏览器上是否有对应的保护？Wenjing Chu: 加密可能总会被绕过，新技术需要依靠历史来维权；身份是核心。 [https://www.polyu.edu.hk/emaildisclaimer/PolyU_Email_Signature.jpg]<http://www.polyu.edu.hk> www.polyu.edu.hk<http://www.polyu.edu.hk> [https://www.polyu.edu.hk/emaildisclaimer/Icons-02.jpg]<https://www.polyu.edu.hk/cpa/online-channels/#ipolyuapp> [https://www.polyu.edu.hk/emaildisclaimer/Icons-03.jpg] <https://www.facebook.com/HongKongPolyU> [https://www.polyu.edu.hk/emaildisclaimer/Icons-04.jpg] <https://www.youtube.com/user/HongKongPolyU> [https://www.polyu.edu.hk/emaildisclaimer/Icons-05.jpg] <https://www.instagram.com/hongkongpolyu/> [https://www.polyu.edu.hk/emaildisclaimer/Icons-06.jpg] <https://www.linkedin.com/school/hong-kong-polytechnic-university/> [https://www.polyu.edu.hk/emaildisclaimer/Icons-07.jpg] <https://twitter.com/HongKongPolyU> [https://www.polyu.edu.hk/emaildisclaimer/Icons-08.jpg] <https://www.polyu.edu.hk/-/media/department/home/setting/polyu-wechat_qr-code_20190903.jpg?bc=ffffff&h=150&w=150&hash=679EE95BCB1796F71B5A4149647785C9> [https://www.polyu.edu.hk/emaildisclaimer/Icons-09.jpg] <https://www.weibo.com/hongkongpolyu> Disclaimer: This message (including any attachments) contains confidential information intended for a specific individual and purpose. If you are not the intended recipient, you should delete this message and notify the sender and The Hong Kong Polytechnic University (the University) immediately. Any disclosure, copying, or distribution of this message, or the taking of any action based on it, is strictly prohibited and may be unlawful. The University specifically denies any responsibility for the accuracy or quality of information obtained through University E-mail Facilities. Any views and opinions expressed are only those of the author(s) and do not necessarily represent those of the University and the University accepts no liability whatsoever for any losses or damages incurred or caused to any party as a result of the use of such information.