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 Session still suffes from inferior cryptography ever since they've switched away from double ratchet.  
 The app is different from the oxen crypto.It's works a lot like nostr with nsec/npub keys 
 if suffers from the fact that libsodium (their encryption library) is inherently weaker than something that implemebts the Double Ratchet encryption algorithm. The most notable deficiency is that it doesn't to Perfect Forward Secrecy, meaning if *one* of a chat's keys leak, your entire chat history leaks, not just one message.

These are important things that they've failed to address. 
 What is yall’s opinion of SimpleX ? 
 I use it and I like it.

Uses double-ratchet from Signal + some neat quantum resistance stuff, uses user-selected relays to send messages and doesn't use persistent user identifiers. Lots of metadata privacy to be had :) 
 Is it good for day-to-day use like to talk to my family, for example?  
 I would say yes, just make sure you select the kind of notifications you want 
 generally yeah, unless you're looking for some more fun social features (stickers for instance) 
 Libsodium? Its a swarm system. Everything is hidden, metadata and identity n you can put a delete message timer within a time frame.  
 yes, libsodium, the encryption library they use.

https://getsession.org/faq#libsodium 
 Thanks will ask a friend to look into