What this page establishes
PRF support varies by browser and authenticator.
A lost passkey can make the ciphertext permanently inaccessible.
Browser-local encrypted storage still needs an independent backup.
OPERATIONS · operating reference
WebAuthn PRF encrypted storage
A guide to deriving a local encryption key from compatible passkey verification while retaining only ciphertext.
Reference centerOpen Passkey Vault
MDN WebAuthn PRF extension
Practical review sequence
1
Verify PRF compatibility before relying on the vault.
2
Export and test the encrypted envelope.
3
Keep passwords, private keys, seed phrases, and recovery codes in a purpose-built offline secret manager.
Recheck primary sources before acting
Contracts, names, issuers, governance, bridges, providers, networks, fees, and access rules can change. CoinPork provides an operating checklist, not financial, legal, tax, accounting, or cybersecurity advice.