No. If you don't set one, your vault unlocks without a password whenever you open Vauz
while you're signed in to your Mac. Your Mac's login password and its Secure Enclave still
protect your Vauz vault while the Mac is locked or off, and a copy of your files can't be
opened on another computer.
Set a V-Key if anyone else can use your Mac while you're signed in: a shared or family Mac,
a Mac you leave unlocked, remote-access software, or apps you don't fully trust. With a V-Key,
Vauz stays locked to them until you unlock it with your V-Key or Touch ID. By default it locks
again after five minutes unused, a minute after you switch away, and when your Mac locks or
sleeps. Premium lets you change these times, and Plus lets you turn them off.
A V-Key also opens the vault on any Mac running Vauz 2. A backup made as a copy opens with
the V-Key it had when it was made, and one made as an export with its own passphrase. Each
guess at a V-Key is made slow on purpose. Forget it and nobody can reset it
for you, not even Sealzi — see our
threat model for what each way does and does not cover
