Urbit is an underrated project! It was definitely an inspiration for the language I’m working on:
What are your thoughts on Unison[0], which also uses hash-addressed code and managed effects?
[1] hello@taylor.town
Unison seems cool! I met some Unison folks a few years back and our visions didn't have much overlap. Nice people, but their fundamental design decisions with hashes/effects/etc are incompatible with the web I'm trying to build.