There are a bigger risk in investing cryptocurrency. We don't know that the money we invest in crypto will grow. And we can't sure that our money will not be loss. So if you want to invest in crypto, you need to have a research on what coin are the best.
And what coin have a great opportunity to rise and have a great volume in the market. You need also to have update about cryptocurrency by time to time so that you a technique on how to ensure your investment.