Two US Republican senators introduced the “Mined in America Act” to increase Bitcoin mining manufacturing in the US and establish a Strategic Bitcoin Reserve. Senators Bill Cassidy and Cynthia Lummis presented the bill on Monday, which includes a voluntary “Mined in America” certification for crypto mining facilities and pools.
Certified facilities must phase out mining equipment from companies linked to “foreign adversaries” and promote domestic mining hardware production. Cassidy highlighted the economic significance of digital asset mining in the US, stating, “Digital asset mining is a big part of our economy. We should be doing it here in America.”
The US became the leading country for Bitcoin mining by hashrate following China’s crackdown in 2021 and currently represents about 38% of the Bitcoin network’s hashrate, more than double that of Russia. The new bill also instructs the National Institute of Standards and Technology and the Manufacturing Extension Partnership to assist manufacturers in developing secure and energy-efficient mining equipment.
Despite its leading hashrate, 97% of Bitcoin mining hardware is produced by two Chinese companies, Bitmain and MicroBT. Dennis Porter, CEO of Satoshi Action Fund, stated that the bill reduces reliance on foreign manufacturing. “The Mined in America Act breaks that dependency by building a virtuous cycle of domestic manufacturing, certified mining operations, grid-strengthening energy infrastructure, and a pipeline to the Strategic Bitcoin Reserve,” Porter said.
The US Bitcoin mining sector faced challenges beginning in late 2024 when US Customs and Border Protection paused shipments of thousands of Bitmain ASIC machines at ports. Luxor Technology was affected by this pause, and in March 2025, COO Ethan Vera noted that their miners were seized due to a mistaken belief that they were illegally imported radio frequency devices.
