Your vault password is the key to everything, and NestVault will never transmit it for you — no in-app sharing exists, by design. So the handoff to family happens outside the app, and the channel you pick matters.
Never text or email it. Texts and emails are stored in plaintext on multiple servers, synced to clouds, backed up, and searchable forever. Sending your vault password by text turns the strongest link in your security into the weakest. The same goes for messaging apps without end-to-end encryption, shared notes apps, and “I’ll just put it in the family group chat.”
If you’ve already texted it, or shared it with someone who shouldn’t have it anymore, change it: I think someone else knows my vault password walks through exactly what to rotate and in what order.