Unverified50% confidenceFactExact time
CTAP2 defines the communication between authenticators and client devices, and is responsible for enabling external hardware keys (such as YubiKey) or platform built-in authenticators to work together with operating systems and browsers.
1
Sources
50%
Confidence
Long-term
Relevance
10/14/2026
First Seen
Sources
Passkeys 不是陷阱:解读无密码登录的真实争议
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