Of course it is safe to invest , but still better to wait , yet the market has not recovered and if you buy only a few percent of your Deposit!
It is not safe to invest and it never was. Many investors become rich in 2017 but talking about investors who invested after bitcoin crashed, it certainly didn't work for them. Invest what you can afford to lose and treat this field as some sort of gamble.
You can't hope a lot to get a stable investment at this moment, any investment will involve the risk, that can't be avoided and that's the fact. Just try to learn more about you should not worry about that. i thought everyone has known very well about the risk in this market.