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We have not yet realized the full price potential of those top coins in the market, remember there are predictions that it could go to $100k or even $1 million dollar, people are not used to seeing Cryptocurrency at this state, but it happened several times in the past, it will eventually recover.
It's psychologically hard for most people to value something that "has no real value" as they say. But that is only because they fail to realize in what world we have been living for the past 20+ years. What "real value" do Facebook, Google or twitter have? People use those platforms because they find it convenient to do so, and that's where the value comes from. And the same approach can be applied to cryptocurrency as well. Gold, silver and oil are out. Technologies are in.