Passwordless Ecosystem Cheat Sheet

Passkeys, OTPs, and recovery

Last Updated: November 21, 2025

Focus Areas

Focus
Prefer platform authenticators
Throttle OTP fallbacks

Commands & Queries

npm install @simplewebauthn/server
Add WebAuthn
response_schema
Enforce structured output
send otp --phone
Fallback

Summary

Passkeys plus throttled OTPs keep logins secure and convenient.

💡 Pro Tip: Log every fallback and treat passkeys as primary.
← Back to Security & Privacy | Browse all categories | View all cheat sheets