That is one of the obstacles to the growth of Bitcoin and cryptocurrencies. However, just because some people can't use it doesn't mean that no one should use it across the globe. We can't wait for everyone to have the internet connectivity and knowledge about it. Innovations take place in the same way, it is a continuous and ongoing process

I don't think that they can last forever, but they've certainly got the market cornered. They'll always have dominance over it, just like Bitcoin does over crypto, but eventually, somewhere, someone will find a better solution
Its possibilities are endless. Bitcoin is able to include all Us dollars in all countries and its price can be 1 million dollars or even more. Next, bitcoin, as an asset that is mined by machine (computer) method, just as gold or silver.

This is such kind of business, people with have more resources surely have power to make condition in market
 Everyone should think before investing in any projects, not after