Video - Bitcoin Q and A Open Blockchains or Dystopia
Does terminological purity matter? What is and isn't a blockchain? Openness is a characteristic that matters. The blockchain is the least interesting part of Bitcoin. The use implications are more interesting. Consensus algorithm, degree of decentralization, openness to innovation, permission-less-ness, identity vs. anonymity, censorship and coercion resistance.
The vast majority of future transactions will be digital. Without financial privacy, you'll get financial surveillance; protests will have financial consequences. Transactional privacy has been the standard for most of human history. What kind of future do you want to live in?