New subject: 2023-02-01 Web3 STG Month Meeting

1 Feb 2023

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。

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[Minutes] 2023-02-01 Web3 STG Month Meeting