some astray 1: Invest time and energy in ultra-short-term trading; 2: I heard about a project in a social session and bought it without thinking; 3: Brainless buying because of greed; 4: Do not study but want to get rich; 5: Losing the present because of digital fluctuations; 6: Participate in the fund disk; 7: Make friends with friends and encourage each other to do adventures; 8: Play with leverage but ignore risk.