There's many stories on why Bitcoin should have value. Most of them don't make sense. Nevertheless, Bitcoin clearly is valuable, despite being used by few. Of

There's many stories on why Bitcoin should have value. Most of them don't make sense. Nevertheless, Bitcoin clearly is valuable, despite being used by few. Of course people have trouble pricing Bitcoin, but the same is true for many other assets. If literally the only use for Bitcoin would be to speculate on all the cryptocurrencies, that would be enough to make it valuable.