Passkey learning center
Learn how passkeys work, where they are stored, how they sync and what recovery planning is needed before removing a password.
How to use this section
Use the Passkey learning center directory to choose the page that matches the decision or problem you have now. Follow official provider links for account actions, and never enter a password or recovery code into an informational guide.
What belongs in this section
Passkeys reduce phishing and reuse, but they introduce device, sync and recovery decisions. Test another device and understand the credential provider before removing a password you may still need for fallback.
Account Recovery With Passkeys
Plan for device loss, ecosystem lockout and service-specific recovery.
Open guide →Hardware-Bound vs Synced Passkeys
Compare device-bound credentials with passkeys synchronized across an ecosystem.
Open guide →How to Set Up and Protect Passkeys
Prepare devices, add passkeys through official account settings and create a recovery plan.
Open guide →Passkeys Across Apple, Google & Microsoft
Understand cross-device QR sign-in, sync boundaries and recovery dependencies.
Open guide →Passkeys vs Passwords
Compare security, recovery, device syncing and usability before moving an account to passkeys.
Open guide →Passwordless Authentication Explained
Compare passkeys, magic links, device approval and other passwordless methods.
Open guide →Phishing-Resistant MFA
Learn why origin-bound cryptographic authentication resists fake login pages.
Open guide →What Is a Passkey?
Learn how passkeys use public-key cryptography, device authentication and phishing-resistant sign-in.
Open guide →When Not to Remove Your Password Yet
Keep a fallback until passkeys and recovery are tested across every required device.
Open guide →Standards and source notes
This page is maintained by the Password Tools Hub Editorial Team. General password guidance is checked against NIST SP 800-63B and the OWASP Authentication Cheat Sheet. Product interfaces can change; use the linked provider documentation for the final account action.