It's private. We use NIP-17 as our default DM type, and we also support private group and public channel features. Let me know if you have any problems when using it. :)
NIP-17 can help prevent metadata leaks:
Discussion
Hey, nostr:npub1ec7rqh20d00pqc9uxxf7ruv0xcvah0vexzpd5kpcl46yj84pme4suggn5k
Check this out!
Thank you for reaching out. I'm sure that some friends and I will have more questions on the future.
Hey, nostr:npub1tm99pgz2lth724jeld6gzz6zv48zy6xp4n9xu5uqrwvx9km54qaqkkxn72
Can I change an image for a group? Is it possible to make multiple people have admin control of a group? Looking for a group alternative to Telegram. Nostr would be best in my opinion.