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Rich countries, of course, act in ways that will make them money, and they invest accordingly. Of course, they'll do whatever it takes to make more money. That's why they support Bitcoin; people with money can earn much more.
Other people, meanwhile, are trying to make money with Bitcoin, seizing opportunities to achieve a new life

Not all wealthy countries support bitcoin - some even still ban bitcoin to some extent. Over time, governments have certainly changed their perspective on bitcoin and are beginning to see the need to support it and discuss its use as a national reserve asset. They know bitcoin has significant long-term potential, so banning it entirely would simply deprive them of an opportunity to generate more revenue.
Some wealthy nations may have invested quietly, but others have publicly announced their support and adoption of bitcoin. In the future, we'll see more countries openly supporting bitcoin and investing on it and of course, this won't be a surprise.
Over time, a positive attitude towards Bitcoin is constantly being created among different countries, different countries are now thinking about investing in Bitcoin, they are understanding the real power of Bitcoin, so they are becoming interested in Bitcoin. Just like right now, Pakistan is now interested in Bitcoin.
PAKISTAN TO ESTABLISH NATIONAL STRATEGIC #BITCOIN RESERVE, in this way, more countries will come forward to accept Bitcoin, then it will not be anything new but will become a natural consequence. We can say that it is already natural, because everyone has already realized how successful Bitcoin is, and now only they will continue to reserve Bitcoin constantly, and over time all countries worldwide can support Bitcoin.