Unverified50% confidenceTradeoffExact time
C2PA标准的核心挑战在于恶意行为者可在分发前剥离元数据，更适合作为诚信声明而非防伪检测
1
Sources
50%
Confidence
Long-term
Relevance
8/7/2026
First Seen
Sources
AI视频生成进化史：从Will Smith吃面翻车到电影级画质
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