why cryptocurrency was created Block

Profit this year:-21,177.78 yuan2021:+23,432.42 yuanDecember:

Profit this year:-21,177.78 yuanMay: -4260.08 yuanJune: 218.53 yuan

I don't know how many people have been trapped with such a big green stick.This month's profit: +3374.5 yuanThis month's profit: +3374.5 yuan