Ah, I see the ambiguity in my wording. I meant that distributed currencies as a general concept (invoking bitcoin as an example of a single digital currency) r

Ah, I see the ambiguity in my wording. I meant that distributed currencies as a general concept (invoking bitcoin as an example of a single digital currency) removes centralization. You're right that any one such currency may retain the potential for centralized control, but what interests me is the opportunity for digital currencies to evolve through the emergence of improved implementations. In that manner we can escape centralized control. I'm more interested in blockchains than Bitcoins.