Countries like the United States of America, Canada, and Germany have the highest scope for blockchain careers. These countries have a stable GDP and are financially stable. The companies in these countries have the ability to invest a lot of money in new and developing fields. They also have a habit of trying to get any technological advantage over other countries, which makes them more likely to hire blockchain developers. So if you are pursuing a career in blockchain and want to work outside India, any of these countries will enable you to have a successful career.