The U.S. House of Representatives submitted "H.Res.238" to the Energy and Commerce Committee, Foreign Affairs Committee, Financial Services Committee, and Science, Space, and Technology Committee, expressing the House's proof of work for certain cryptocurrencies (such as Bitcoin) Perceptions of the importance of mining to the United States' ability to meet its energy goals and grow the economy. The House of Representatives believes that: workload proof mining can help energy development become a key pillar of the growth of the US economy, infrastructure and national security; digital asset workload proof mining can promote energy development through cooperation with the energy sector, generate explosive growth in innovation, and improve The energy independence of the United States; digital asset workload proof mining is an important part of the United States' ability to achieve energy independence and sustained national security; the United States should invest in the digital asset industry to promote sustainable employment growth and innovative development, etc.