You should not.
- The client is open source and can be verified and audited by anyone.
- All the cryptography for your data is done in the client!
- The cryptography allows us to store your data without knowing your data.
- we can't decrypt your data, only you can. If your passphrase / key is strong enough, there is nothing we, or anyone out there can do for you.
- we hope you had a backup of your data, or your key.