Unverified50% confidenceFactExact time
数字凭证API建立在W3C可验证凭证（Verifiable Credentials，VC）标准之上，允许用户选择性披露所需属性，体现最小化披露原则
1
Sources
50%
Confidence
Long-term
Relevance
7/16/2026
First Seen
Sources
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curl https://kongchang.com/api/v1/knowledge/claims/526872MCP
get_claim(id=526872)