Bitcoin ASIC Producer Bitmain Under US Investigation over National Security Risks: Report

Why It Matters

Given Bitmain’s near‑monopoly in mining hardware, an adverse finding could disrupt U.S. crypto‑mining operations, trigger supply chain constraints, and heighten geopolitical tensions over technology security.

Summary

U.S. authorities have opened a federal probe, dubbed “Operation Red Sunset,” into Chinese Bitcoin mining hardware maker Bitmain over concerns that its ASICs could be remotely controlled for espionage or sabotage of the power grid. The investigation, led by the Department of Homeland Security, follows earlier actions that halted and later released thousands of Bitmain units after a prior inquiry into a related chip designer’s ties to Huawei. Bitmain dominates the Bitcoin ASIC market with over 80% share, and any restrictions could ripple through the U.S. mining sector, which includes firms like American Bitcoin that recently purchased large fleets of Bitmain machines. Bitmain denies the allegations, calling them “unequivocally false,” and says it complies with U.S. laws.