It's not exactly what you describe but the conflict with the astroid belt people is well played out in "The Expanse".
I think there is great potential in having bitcoin as a world building tool but my honest suggestion would be to really flesh out characters and their motivations. There's always a valuable piece missing to stories with great world building but crappy characters!
There is some juice to squeeze on the philosophical impacts of civilization spanning large swaths of space/time. I mean depening on hiw large the civilization is people on different sides of the civilization literally experience time and life differently.
I would also be careful of the ex machina/ other logical pitfalls that could come out of a story like this, especially when your main audience might be bitcoiners who would quickly identifiy them.
Just my two sats. Thats a long and drawn out way of saying, Id read it!
