You don't have to use a starfish if you don't want to, nothing is compulsory

The starfish idea comes from a book "The Starfish and the Spider: The Unstoppable Power of Leaderless Organizations"

Here's a good summary
https://docs.google.com/document/d/1nJ3JCDI4yQIN2O09DW6qApRhPrQXDj9wsxY-3jduOAw/edit?hl=en#heading=h.3fv7a5-3ynikb

The ideas in the starfish & spider book are almost a training manual for people involved with crypto currencies (like us!!).

I like the starfish concept for the Logo, but there's an infinite number of ways to express an idea in a Logo, so don't restrict yourself