As a crypto enthusiast for years, this is normal. There are a lot of flash crash events happened in the past and we just have to get over it. You know why? Because cryptocurrency prices are unpredictable. You may not know when it will pump or dump, coz' it can happy at any time without warning. Not even the so-called experts are perfect in their technical analysis, as their predictions aren't accurate at all. Newbies might think it is man-made, but that's the way crypto works naturally. Pumps and dumps are normal in the world of crypto and you gotta deal with it.

As this is considered a high risk investment, always DYOR and just invest an amount that you can afford to lose or treating it as "dead money".