New Bill Aims to Reshore Bitcoin Mining Manufacturing to the United States
A new legislative proposal in the U.S. Senate seeks to strengthen domestic control over the Bitcoin mining ecosystem by incentivizing the use of American-made equipment and establishing a certification for locally operated mining facilities. The “Mined in America Act,” introduced by Senators Bill Cassidy (R-LA) and Cynthia Lummis (R-WY), directly addresses the nation’s significant reliance on foreign manufacturing for critical mining hardware.
According to Bitcoin policy advocates, while the United States commands approximately 38% of the global Bitcoin network’s computational power, or hashrate, an overwhelming 97% of the specialized mining machines (ASICs) powering that activity are manufactured by just two Chinese companies. This geographic split between operational hashrate and equipment origin is a central concern the bill intends to rectify.
Creating a “Mined in America” Certification
The legislation would create a voluntary “Mined in America” certification program administered by the Department of Commerce. Mining facilities and pools that earn this certification would commit to a phased transition away from hardware produced by entities linked to “foreign adversaries,” as defined by U.S. law. A core requirement would be supporting the domestic manufacturing of mining hardware, thereby fostering a U.S.-based supply chain.
“Digital asset mining is a big part of our economy. We should be doing it here in America,” Senator Cassidy stated upon the bill’s introduction. His colleague, Senator Lummis, has been a prominent advocate for integrating Bitcoin into U.S. financial strategy, including through a proposed Strategic Bitcoin Reserve.
The bill’s framework is designed to create a “virtuous cycle,” as described by an advocate, linking certified domestic mining operations with strengthened energy infrastructure and a potential pipeline to the national Bitcoin reserve envisioned in a recent executive order from President Donald Trump.
The U.S. Mining Landscape and Recent Supply Chain Disruptions
The United States solidified its position as the world leader in Bitcoin mining hashrate following China’s sweeping crackdown on the industry in 2021. The U.S. currently hosts about 38% of the network’s total hashrate, a figure more than double that of second-place Russia, according to public blockchain analytics.
This leadership role, however, faces vulnerabilities. The industry was jolted in late 2024 when U.S. Customs and Border Protection (CBP) began detaining shipments of thousands of Bitmain ASIC miners at ports. The incident, which lasted several months, highlighted the fragility of relying on foreign-manufactured equipment subject to complex import regulations.
Luxor Technology, a prominent mining company, was among those affected. In March 2025, Luxor’s Chief Operating Officer, Ethan Vera, explained to Cointelegraph that the seizure occurred because the machines were mistakenly classified as illegally imported radio frequency devices, underscoring the types of bureaucratic hurdles that can disrupt supply chains.
While the US hosts 38% of Bitcoin’s hashrate, 97% of mining machines are made by two Chinese companies, according to a Bitcoin policy advocate.
The “Mined in America Act” is a direct policy response to these dynamics, aiming to codify manufacturing and operational standards that align with national economic and security interests. By tying certification to domestic hardware, the bill proposes a structural incentive to rebuild a segment of the semiconductor and hardware supply chain within U.S. borders.
Source: Bill Cassidy
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