End-to-End Encryption

I was planning on moving my contacts to an end-to-end encrypted CardDAV/CalDAV server called EteSync and then I found your app. Monica has great usability and a ton of features I hadn't even considered, but unfortunately it lacks the privacy and security provided by end-to-end encryption. It would be really great if Monica had this feature also, and I think more people would be comfortable with using the hosted version then too.