This entire post seems to avoid or lack the understanding of the basic reasons blockchain were created; that is, to offer a decentralized, permissionless, censorship-resistant network. This was Satoshi's vision, and those values are a blockchain's express priority over scale and efficiency. Centralization is great for speed and efficiency, not so great for protection against authoritarian actors (governments or centr…
We have one already: cash. As for protection against authoritarian actors. If your state has already gone full panopticon, crypto won't save you, indeed the state will mandate exclusive use of their chosen crypto, gaining even more visibility into your life. If your state has not yet done so, you should fight to preserve liberty and the rule of law. If your country turns into a full-out surveillance state, you are no…
Cash is awful if you live in Turkey, Venezuela, Zimbabwe, Lebanon, etc. The USD has lost 90% of its purchasing power since the 1950's, meaning cash is toxic over longer time horizons. You cannot have a society where everyone seeks to get rid of the reserve asset over time.
> If your country turns into a full-out surveillance state, you are not going to overthrow it by buying things with Bitcoin.
You're going to have much better chances anonymizing yourself, compared to say a bank account.
> I would like to see some data on what actually valuable applications or businesses have been enabled (or simply improved) by crypto currency.
Bitcoin is a savings account in a world where Bank of America's Savings account yields you 0.01% APY, or up to 0.04% if you have more money. We are increasingly forced to take on more risk simply to maintain the purchasing power of our wealth.