Glossary
Master key escrow
Phrase-wrapped copy of your E2EE master key stored on your account.
Master key escrow is an encrypted package on Expense Trail’s servers that holds your E2EE master key, wrapped with keys derived from your recovery phrase. The server cannot read it without your words.
Deep dive: E2EE unlock & key escrow
In practice
- Created when you save your recovery phrase after enabling E2EE
- Lets a new phone unlock after sign-in + phrase entry
- No escrow status means you must complete phrase setup before another device can decrypt