How far blockchains go?

Almost ten years after the bitcoin release, last week the G20 summit has recognised the importance and value of cryptocurrencies.
Today words like bitcoin, token or mining are passed in the common language but a large part of the population still does not want to deal with cryptocurrencies.
And it may take time before they decided to try because for many, cryptocurrencies are some kind of evil or a leap into the unknown.
Most of our contemporaries need government approvals to act and some "technical things" who claim that they can bypass central authorities are not welcome yet. Just look at how long it takes for Fintech star-ups to get 10% of the banking market....
Some make confusion about the word speculation: For a large part of northern Europe ( Great Britain, Holland, a part of Germany...) whenever you have a market you have speculations.
For Southern Europe, speculation has also a bad meaning, people remember black market and war speculators and their parents or grandparents who had nothing to eat because of this speculation. And don't forget that making money with money was forbidden or still forbidden by the Catholic Church. Make money is "dirty". This trade was left to the Jews.
In other words, fast adoption of blockchains are in governments hands at least in a large part of Europe:
All icos have to ready before september 2018, after banks will have their says.
People will happy pay more but will be happy to invest in icos through their banks.