The thing that makes the bitcoin dangerous is because the price is very volatile, in this world there is no investment like bitcoin and bitcoin investment such as ride roller coaster, the first thing we have to prepare is we must be ready to lose if investing into bitcoin.
There is no danger in Bitcoin even with the negative criticisms that seem to flood in the news at times, Bitcoin is actually more secure than most other financial system. Bitcoin will always be the no.1 leading cryptocurrency world wide and always bring good benefits to us.