I think that overseas work can be used as a main business, and investing in cryptocurrency is a hobby for amateurs, so you don't have to worry about what to choose. As long as you pay more energy. Both can coexist.

For any emerging industry or product, payment methods need to be promoted by the media so that they can be known as soon as possible. I think that Bitcoin is no exception, and the world is very large. People in different regions have different levels of contact. However, many people use the same media tools, so through the media, Bitcoin can be better promoted.