Why 2025?
Do you think it is a must that Bitcoin should be traded in all countries?
I don't think it is really necessary, as long as people from all countries can buy Bitcoin on any exchanges, it is no problem at all.
I personally never feel worried about this because Bitcoin adoption looks better day after day. So, the chance for more countries to accept Bitcoin will be getting higher in the future. Moreover, in 2020 and 2021, we heard that even stock market traders join crypto market as well. This is the sign of a better future of crypto industry.