According to Bitcoin Laws, U.S. Senator Cynthia Lummis has reintroduced the Bitcoin bill to the Senate, after the previous version of 2024 was shelved in committee. The new version, like the previous version, proposes to buy 1 million bitcoins over five years, but there are several key differences. The 2025 version of the Bitcoin Act sets a stricter plan to buy 200,000 bitcoins per year (instead of the "maximum" of 200,000 in the 2024 version). The new version also strengthens the holding requirements, removing the exception to the previous version for repaying federal debt instruments. The bill adds provisions to coordinate bitcoin purchases with the Exchange Stabilization Fund (ESF), a US Treasury reserve fund with about $39 billion in assets that could be used by the executive branch for bitcoin acquisitions. In terms of gold revaluation, the new version explicitly stipulates that the proceeds from the revaluation of Federal Reserve gold should be applied to the purchase of bitcoin, while the 2024 version only includes these funds in the general fund, which is a significant change.