RepairYour.Tech
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Passkey

security

Plain-language definition

Plain-language definition

A phishing-resistant sign-in credential that uses public-key cryptography.

Why it matters

Passkeys can remove shared passwords and bind authentication to the legitimate site.

Technical detail

A passkey is a discoverable FIDO credential whose private key remains with the user’s authenticator while the service stores a public key.

Examples

  • A phone unlocks a passkey with biometrics to sign in to RepairYour.Tech.

Sources and review

Reviewed July 12, 2026 by [email protected]. Next review due January 11, 2027.

  1. Passkeys — FIDO Alliance Accessed 7/11/2026

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