Researching the coin he wants to buy is the first thing that must be done before investing in the world of cryptocurrency, and another thing that we often find investors losing their assets is when their greed can't be controlled so they experience very deep losses.
Greed must be avoided in order to avoid harm this type of risk is higher for newcomers they invest in all kinds of currencies to make more profit without analyzing the market so they are more likely to lose. Need to invest in the right currency and don't panic if prices fall prices will go up.