understanding the basics of cryptocurrency

2021:+23,432.42 yuanJuly: -356.24 yuanProfit this year:-21,177.78 yuan

I don't know how many people have been trapped with such a big green stick.January:-13,296.2 yuanFebruary: -5741.46 yuan

August: -5766.84 yuanMay: -4260.08 yuanThis month's profit: +3374.5 yuan