Be ready and aware that 2018 is the year of regulatory reckoning. Countries around the world are trying to determine how they are going to treat cryptocurrencies. Securities and Exchanges Commission (SEC) has halted several ICOs and hinted at the need for greater crypto regulation.
I am into cryptocurrency because of freedom, I can't deny to myself that I have worries regarding this issue. And as an investor, I really have no choice but to stay with crypto once the governments around the world have control to cryptocurrencies (if that became possible).
So as much as we can, also invest with physical properties with what you've earned. For we don't know what will happen next with our money in the digital world.
This is not an advice. It's simply a shared idea.
How about you? What do you have in mind?

It is not possible! There is no government, companies or person who can defeat bitcoin. The life of the bitcoin depends on its users and I am sure that the users will not let bitcoin die.