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About this paper
Aditya Mitra, Sibi Chakkaravarthy Sethuraman
The Verifiable Passkey standard integrates FIDO2 authentication with Verifiable Credentials to enable decentralized, privacy-preserving login across multiple services, addressing passkey storage limitations and mitigating identity provider tracking. This approach allows users to authenticate with a single portable credential without the issuer monitoring their activity.
Key insights
- Decoupling the Issuer from the authentication flow prevents centralized tracking of user activity, a critical privacy advantage over traditional federated authentication systems.
- A single Verifiable Passkey can be used across multiple Verifiers, overcoming hardware authenticator storage limitations and simplifying user credential management.
- The standard maintains full compatibility with existing W3C WebAuthn and CTAP protocols, allowing seamless integration with current browsers and authenticators without requiring fundamental infrastructure changes.
Summary by alphaXiv.
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