Industry consortiumIn Rundown bodies

FIDO Alliance Specifications

FIDO

Security & cryptoWeb platform

WHY YOU NEED THIS

Passkeys = WebAuthn (W3C) + CTAP (FIDO). Both spec sets are required for implementation.

What It Is

Phishing-resistant authentication standards: FIDO2, CTAP (authenticator protocol), and passkey guidance. Co-authors WebAuthn with W3C.

Taxonomy

By spec: FIDO2 · CTAP · UAF/U2F (legacy) · Certification levels

Top-Level Categories

FIDO2CTAP2WebAuthn (with W3C)PasskeysCertification

Master Catalog

Specifications

Sub-Indexes & Guides

FIDO2 specs download

Rundown Standards Body

FIDO Alliance

Develops authentication standards for strong, phishing-resistant authentication: FIDO2, WebAuthn (co-published with W3C), and CTAP. Key for passkeys and modern MFA.

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Related Registry Sources

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