https://youtu.be/pSbSKGDypPYThe above video shows that by buying Bitcoin one is selling ownership of something and buying ownership of nothing. This is because Bitcoin is just a fancy name for changed digits, and the fact is that something cannot appear or disappear by changing digits. Since Bitcoin is the first time in human history that people voluntarily and massively give up something to become the owners of absolutely and literally nothing, this makes Bitcoin the most ridiculous invention ever made.
But the process of buying and selling were continuing in the past, that made bitcoin valuable.
Peoples were buying with lower price, and selling with higher price in the market of exchange.
Therefore, the price of bitcoin was continuing to rise and sometimes get corrected back if too high.
It relied with people who can take the risk of buying it and holds waiting for the new price to earned, bitcoin gained the attentions and trust of people
who loves finding new ways of keeping an assets, for many people who didn't bothered to know invest they can easily say bad things as they don't
have any the ideas regarding to blockchain technology, they based bitcoin with how current movement happens but not the technology.