bitcoin cannot replace currency in the world because price is not stable.
currency should be more stable.
you may reply me. currency is not stable also but you should think
USD currency price is up and down 1-2% in 1 month.
bitcoin price is up and down 20% in 1 month.
what will people think if they just change USD to bitcoin then their money down 10% in 10 minutes?
bitcoin can become stock but cannot become currency
I think not just because the price is not stable, but because its decentralized too. for a limit of bitcoin that only about 21 m, Imagine, if bitcoin is used as currency, the price will climb the moon, because As more and more people use it, with its limit, of course the price will be pegged up, fortunately, bitcoin can be divided into eight digits. But it also makes the bitcoin value unstable, as it increases and decreases the user of the bitcoin itself. Not to mention, the number of bitcoin every year is reduced due to missing and others. I think bitcoin can be used as a facility that makes it easy to transact between countries because it is peer to peer, but not to be a currency.