absolutely agree with youChangelly looks more interesting, since there is an opportunity to take a fiat.
Not really, but the efficiency is lower than beforeIs it too late for minning bitcoin?
i agree with youAs far as legality is concern, it depends on your locality as it is illegal in different countries to trade BTC. And as far as safety is concern, bitcoin trading and investment is highly risky due to the unpredictable behavior of the market. Am I right?
It is this volatility that is interesting for speculative purposesThe price of Bitcoin is too volatile to make predictions for such a long term in advance.What do you think, to what value can bitcoin grow by the end of 2018?