Probably the most fortunate people who earned well on the growth of the crypto in 2017. Many of them now continue to earn on cryptocurrency. But projects with the growth rate of tens times now no. it becomes increasingly difficult to earn.
In fact, luck is also important here, but it decides what kind of mindset you have, brilliant people will always find a way to do this, or rather, earn
If you count only on luck and consider yourself a lucky person, you can probably play in the casino. Investments in crypto projects need analysis and assessment of development prospects...although luck here not would prevent, too )