If risk is huge, the profit was also huge. However, if you will not take such kind of risks in your life, then it will not be possible for you to make any significant earning. But always be careful, because sometimes you maybe choosing the wrong coins that you are buying.
We have to accept the fact that risk is always involve in trading, if we want to make money from trading we have accept the risk, but still if we have good management and strategy then we can at least reduce the risk of losing money in trading.