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Passkey, PIN, and Password

Unlock strategies protect local access to wallet material.

Passkey​

  • Best default for strong phishing-resistant user auth.
  • Preferred when platform passkey support is available.

PIN​

  • Good UX for frequent unlock operations.
  • Must enforce retry limits and local anti-bruteforce policy.

Password​

  • Useful for broader compatibility and migration scenarios.
  • Requires strict minimum length and strength requirements.

Selection guidance​

  1. Prefer Passkey by default.
  2. Offer PIN for high-frequency local access.
  3. Use Password as compatibility fallback.

Keep strategy choice independent from MPC threshold and signing policy.