I think you should invest. The market will recover in 2019, in my opinion. As for what crypto you should invest in, that's for you to figure out. Everyone will tell you to buy something different but ultimately, you'll have to decide for yourself.
maybe before investing in crypto currency it's good if investors know the amount of risk that will be obtained in investing because the main capital in investment is our confidence and patience in investing in crypto currencies that will be used in investment