Several countries have recently blocked Signal, leaving their residents without a trusted and safe place to communicate. To help in this situation, Signal provides a built-in censorship circumvention feature and also includes support for a simple TLS proxy that can bypass these blocks in many cir...
That’s what they like you to think yes. But it is only the message content and not the various forms of metadata that is protected by their encryption scheme.
It’s also the metadata. Profile and contact discovery is also private. I don’t think they have anything except your IP.