Some things people don't know is that we don't need to burn a house each time we do a transaction. Most currencies these days use proof-of-work to achieve consensus and this... turns out not so well. There are other ways like proof-of-stake as well as giving up consensus and using blind signatures (like, I read not, Taler does).
It means that I can share money with my friends without any overseeing, just like cash.
Also it doesn't have to be taxation by the state, it can be just an information for the community to see who hoards all the money.
It's from here, I didn't finish it yet:
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