I got a lot of whasapp request...
Telegram preferred for me.
I don't think moving to telegram will stop people from joining the group. Aftert all, this is #ddf, and if you can count the amount of online accounts you have, you aren't doing it right..
The only way to do this right is to give each person a one time code, it else you cannot stop it from being abused...
Like a group+pm situation...
I'm in