Yes but the counterpart is that the biggest the community the smaller the security.
Simply put, its much simpler to prepare an attack in a larger community.
there is several parameters so try them and weight the arguments. other person (those who decided them) would explain them better than I.
Here is my question about creating a new coin, for a small community, size of a state/province: Une monnaie pour seulement une région d'une province - #3 by DaniellMesquita
but it may also be that currencies emerge to be domain specific (food and grocery, book,movies/ hobbies)
This is interesting. But, coins based on a specific domain aren’t compatible with WoT, as it would require connection based on geography.