Blockchain, cryptocurrency and unintended consequences

Yes, I think I count as an intuitive skeptic of Bitcoin and blockchain generally.  (If something's beloved of techno libertarians, it should be automatically suspect, in my books.)

But here's the sort of article that puts some justification into my intuition:

Cryptocurrency Might be a Path to Authoritarianism

Extreme libertarians built blockchain to decentralize government and corporate power. It could consolidate their control instead.