nostr:note1qu6hf92ju8esurtt40du6y3tye38jvstyp58tzs89m8mgjjgawpsq4pvdk

“add more people to a group chat once the group chat is created”

The biggest challenge for end-to-end encrypted group chats is member changes, as the encryption key needs to be updated after such changes. However, this is not an unsolvable problem. Both the existing group chats in Keychat and the group chats currently under development allow for adding and removing members.