You have not really understood the ups and downs of very sharp prices, things like this cause depression for many parties, especially traders who allocate all their money to bitcoin, so the means of prevention against the potential buying and selling of bitcoin becomes important, one of them is not to put all your money on one Coin only, because the potential for suspicion can be very large, the second use money that we can sacrifice, because if we lose we will not regret too deeply, thirdly do not use the money owed mainly to the bank, because something like this will greatly disturb us in doing trade, things like this that we should think about before trading,