Twelve explained choices about upgrades, quota, account scope, authenticated encryption, recovery, and rotation. Choose one answer and inspect the explanation before testing the related contract.
Related lessons
Service Worker Activation and Unsent Work; IndexedDB Version Changes and Blocked Tabs; Browser Storage Quota, Eviction, and Recovery; Private Offline Cache and Account Switch; Browser Encryption Threat Model and Key Custody; Authenticated Encryption, Nonce, and Record Binding; Password Unlock, Derivation, and Recovery; Key Rotation, Envelopes, and Device Loss.