1st for "REAL TIME TEXT GROUP CHAT" - Admin control able kick someone is MUST - nostr or any other protocol
2nd DELETE is must also
public group user can join freely without permission n see
private group if have link still i think join and again admin reject/kick i think
fooling around #simplex a bit again after long time !
simplex.chat/docs/directory.html seems all groups PRIVATE but need apply for PUBLIC DIR listing if famous enough ? right wrong
nostrchat group none so far reliable n active - kick /delete feature requirement
NOSTR 2 english group simple 700 and 500 members
NOSTR Telegram 6500 members
of course active npubs in nostr > 1million now
saving profile+contact in simplex can big file -  Nostr  easy just save nsec key
hosting smp server needs ipv6 stack enabled in OS must as in code
nostr:npub1gnwpctdec0aa00hfy4lvadftu08ccs9677mr73h9ddv2zvw8fu9smmerrq nostr:npub16jknkmh2luflurx2epkj99qyj7v2ut3ew7t2mfd7xxt9jtjku2nsj2gqp0