Unverified50% confidenceCautionExact time
A core limitation of C2PA is that signatures rely on active cooperation from the creation side; once a video is screenshotted, re-recorded, or converted to a different format, the metadata is lost, and if generation tools do not integrate the protocol, the provenance chain cannot be established.
1
Sources
50%
Confidence
Long-term
Relevance
10/10/2026
First Seen
Sources
Related Entities
Related Claims
VerifiedC2PA (Coalition for Content Provenance and Authenticity) is pushing for embedding tamper-proof provenance metadata into digital content.75% similarUnverified对于在 HIPAA、SOC 2、ISO 27001 等合规框架下工作的专业人士，使用零网络权限工具可简化合规审计，因为工具在技术上无法外传数据就无需单独制定数据处理协议（DPA）63% similarUnverifiedTEE-based 'hardware-assisted MPC' allows each party to send private data to an attested trusted GPU environment for joint computation, during which no party can obtain the raw inputs of the other parties.62% similarUnverified自回归生成阶段（逐token解码）是显存带宽受限而非计算受限的任务，因此eGPU的PCIe带宽瓶颈影响较小61% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/994625API
curl https://kongchang.com/api/v1/knowledge/claims/994625MCP
get_claim(id=994625)