If you really want to add real member you can try telegram bounty with one time minimal payment in BTC which may help you to get real members.
Yes, but don't end it with just that. Try to actually make your community interesting enough for ppl to stay and check in from time to time.
- Recruit members in a platform which has your target audience
- Polish your ANN thread/post (must be persuassive!)
- Your pinned post must contain an overview of information about your proj and what to expect in your community
- Hold events
- allow off-topics from time to time
- add active mods whose a conversation starter
For events, something that rewards users at the end would be a hit like giveaways by doing tasks to gain entries, Daily Q&A etc..
