The issue of sustainability for Nostr developers will continue to haunt us. Will is already doing a good job of that. I'm not a programmer, and I know very little about open source.

 I've been learning about the evolution of Linux recently, and the early financial situation of open source developers was very bad. 

Looking back at the development process of Bitcoin, it seems that the only companies that can steadily make profits are exchanges and mining machines.

 What can Nostr learn from the evolution of Bitcoin and Linux?