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I don't think half the world's population knows what Bitcoin and cryptocurrencies are...
In my city, there are still many who haven't heard of Bitcoin at all, even though the city I live in is classified as a developed city. many know or have heard of Bitcoin but on average are afraid to start investing because they are not confident.
The same goes for me. Heard or not, the fact that people are now aware of Bitcoin doesn't necessarily mean that cryptocurrency and blockchain technology passed the adoption stage. People recognize Bitcoin however the stigma when hearing bitcoin often ended as numerous misconceptions adding doubt and mistrust. Well, in my place at least. Though I am still hoping for the good (bitcoin or rather cryptocurrency to be truly accredited by the majority) which I think would happen in the near future with all the pandemic and whatnot.