Predict it, one day suddenly fell 90, it became 1 yuan, you copied the bottom, and suddenly found that it fell by 80 percent in a month, and it became 0.2 yuan, you think it will get up, and it fell by 70 percent in a month, and it became 0.06, this time it is always the bottom, and after half a year, he became 0.00007, at this time there was a scolding on the Internet, junk coins, project party scammers, and suddenly one day he skyrocketed by 20 percent, and no one dared to be interested, because there was a new hot spot, you bought 13 u, I found that you suddenly have so much pi, remember that there is no reason in the currency circle, and if the hot spot is gone, you can't come back, and having the funds to buy some GT platform coins is your favorite pi