to date, cryptocurrency has become very familiar to internet users, and has been the talk of many people because many people got rich in 2017 yesterday because the price has surged beyond expectations of all its users
Nah those are transient pump and dumps. Nothing to be worried or surprised about. The pump of 2017 was due to the tether manipulation and also the social media going viral about crypto which accelerated the pump. Now since its not doing that anymore there is no such "inorganic"/manipulated pump. That is why this is a good level to buy in and the support at this level of 3.8k USD is pretty good but feel free to place buy orders at lower prices as well.
The bottom line is that there will be transient pump and dumps but the future price of bitcoin will rise due to deflationary system of bitcoin. Hence without doubt it is a coin would stocking up on and not wasting a single satoshi.