A senator has sent a letter to the U.S. Department of Commerce requesting an explanation of the national security review of Bitmain.

2026-03-28 11:01:23

Odaily Planet Daily News - U.S. Senator Elizabeth Warren has sent a letter to U.S. Secretary of Commerce Howard Lutnick, requesting documents and communications related to Bitmain to understand how the Department of Commerce is handling the potential national security risks presented by the company.

Bitmain is a leading manufacturer of Bitcoin mining machines globally. In November 2024, the U.S. Department of Homeland Security launched an investigation codenamed “Operation Red Sunset,” examining whether Bitmain’s ASIC mining machines could be remotely accessed for espionage or to disrupt the U.S. power grid. Reportedly, this investigation is still open.

Previously, shipments of Bitmain equipment were halted, and the use of its mining machines near U.S. military bases was flagged as a significant national security concern. Warren’s letter also requests the Department of Commerce to provide details of communications between Bitmain and the Trump family, as well as officials from the Department of Commerce. The American Bitcoin Corp., supported by Trump, previously purchased 16,000 Bitmain mining machines for $314 million.

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