Well, in terms of taxes, Bitcoins can even evade them. But depending on the countries strict measure about it. About gambling, there are so many gambling sites that accepts Bitcoins and give Bitcoins in prices as well. And these are equal to a huge amount in terms of fiat. As a matter of fact, the Trueflip lottery is giving more than 400 Bitcoins in their jackpot.

Why invest in Bitcoins? Because it is less risky and the returns of investment is very fast. In less than a year, your investment is already more than tripled. Take a look at Bitcoin's value over the months.