One thing that could help you is looking at all previous cases of communism and digging into how did those end up working.

Can you point to one that wasn't actually just state sponsored capitalism? Just because something rocks the name doesn't mean they are actually that thing i.e. democratic party of united states. The manifesto is pretty clear about community control and the absence of an oppressive regime.

It gives people private property

We won't own each other's Bitcoin, hence private property. The network will not be collectively owned, decentralization ensures that. And noone could tell you how much you're allowed to spend and for what. Communism takes this all away.