As much as it's important to dyor on any investment., this should not be blown out of proportion. Every business has its own risk, so if you're not prepared for both sides of the risk, you should be trading stocks. Just because it's cryptocurrency, we are expecting a smooth ride all through, every investment comes with its own risks, and cryptocurrency should be be treated like any other
There are many scam coins in the market which are not listed in exchange and investing in those currencies means losing your money. Dont invest your money in any anonymous coins and select always a reliable and exchange listed coins. there are many Altcoin which are very profitable and the prices are also very low. You can invest in them after checking their projects.