https://colibri.social/faq#where-is-my-data-stored I've just added a new FAQ entry to explain this in a bit more detail.

> But that’s not where you want your chats now is it? E2EE? And how does it keep it all private since apparently the Bluesky bros haven't figured that part out?

It honestly depends. Right now, Colibri is meant to function for communities that are public anyway. If you're a streamer, an open source dev community, Colibri can help you with talking to people who don't want to be locked in by big corporations. As the E2EE and private data, the Bluesky people have posted a new proposal for that only a few days ago, which I'm already thinking about how to implement: https://dholms.leaflet.pub/3mhj6bcqats2o

But, yes, for now, chats are public. Private data will hopefully be a thing soon on the network.