All coins have possible to decrease the price because many people see the price decrease they sell it and many people panic so the price decrease very deep and that's the reason why the crptocurrency is lose their money.
I think They can change things for us in continuing the chain further. So whenever someone needs to invest money somewhere, do it, but take a little capital and start with best practices. If it works fine, move to a larger one.
for beginners this strategy should be implemented. It should be regarded as mandatory because if we lack this, we will face huge losses even when it starts.