Cryptocurrencies that do not get guarantees from anyone even many countries are banned but experienced rapid development, of course the main key is the community, and this is what makes many big projects and top exchanges actively make communities on social media such as telegram, facebook, twitter, discord and etc.
It is not only the community that can make the project grow, but the concern from the development team towards the project must also be seen because that is what makes everyone want to survive and make themselves a member of the project community.