OK there is a new federated chat called Matrix that we may find more private than telegram or signal.
Our chat room on Matrix is called: erisdao
https://matrix.to/#/!wZzSffYkwcFIsOwhBf:matrix.org?via=matrix.org
I am using the element software to connect. But there are several choices.
This is a public room but feel free to join and chat anonymously about what we'll build on the ERIS Distributed Ledger.
Anonymity is preferred.
Principle of Non-Aggression is expected.