These are all just words that amount to nothing but marketing. To be all that these coins need to painstakingly re-create all the institutions that make passports, money etc. possible: laws, courts, trust systems, enforcement etc.
There's literally nothing in the "fundamental societal concepts" that they modernise.
You realize that this a) doesn't constitute a fundamental societal concept and that b) sending secrets outside of government control isn't even a novel idea?
> and fundamental development of the society.
There's still nothing new or fundamental introduced by cryptocurrencies, and they rely on existing concepts old as time to even function outside their bubble.
Eth 2.0 for example was talked about for years, I'm still here getting wrecked on fees.
Lightning network for reducing BTC fees is another beauty we hear less about now days.
Wondering what's the chance of it becoming the speculative anything-goes plaything of the entire big biz financial world without a central bank to keep them (at least marginally) in check.. and with lotsa money of the 'small people' on the line?