True modular buildings should be easy to detach, disassemble and assemble. Should come in different sizes, specs/features or materials to cater for the needs of all economic classes without compromising on good standard.
There are plenty of options already available, plus you can customize it however you'd like in a 10,000 sqft 3 story tall hexagon.
https://www.youtube.com/playlist?list=PLmvUyUoRmaxNS-nN3QsueF3mr-5nQqfkt Should be privacy focused to solve the needs of people who prefer not to share thesame space with the rest, or don't want a communal lifestyle. I think such lifestyle is more suitable for people who share thesame belief and understand each other really well
Yeah some of the crazier blueprints are more for
sororities/fraternities or cults, hahaha. Large families work too, but might be difficult because family isn't voluntarily opted into like other social organizations are.

Anyway, what else are we going to spend our bitcoin on?
https://youtu.be/JJjUDE6aZ8AI mean privacy as a Right. It becomes a Right if it's used for good, like for protection against evil, harm or abuse.
Evil is meant to be exposed, like in the case of typical cults, etc. Deserves no privacy