there has to be some form of private property though, but how do you define the line? Maybe if you could claim stuff for varying amounts of time, be it hours or for your lifetime, but there would still need to be somekind of measure against hoarding and other abuse. Everything should still have value for this, but maybe it wouldn't need to be monetary value we currently have.

Economy also probably cant be completely removed but it doesnt have to be exactly like it is now where money controls everything. Maybe if every type of work had some kind value determined by something that benefits society as whole and as you work, you gain some kind of credits that can be used to lay claim on stuff. Stuff could also have different tiers based on how crucial they are for life so everyone would have access to at least basic food and shelter no matter what. I dont think people just not working if they dont die to hunger or exposure as result would be problem, as life where you dont do anything is hell unless you are so simple minded you wouldnt be able to work anyway.

Then there is matter of resource allocation, if everyone uses as much as they want everything will run out. But to regulate this there would need to be some kind of authority which could easily corrupt into mockery of itself.

It would be nice if there was some serious research on how to achieve something like this. We dont have to be slaves to wealth. At least i havent heard of anything like that. But i wonder if large enough portion of humanity is even capable of thinking like that.