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US Authorities Begin Releasing Some Seized Cryptocurrency Miners

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U.S. authorities have recently started releasing Chinese-made cryptocurrency mining equipment that was previously seized, according to industry executives. These miners, powerful computers with specialized chips, play a key role in cryptocurrency networks by solving complex mathematical problems and building blockchains, earning rewards in digital currency.

Taras Kulyk, CEO of Synteq Digital, a cryptocurrency mining equipment broker, confirmed that thousands of seized units are being returned. At one point, up to 10,000 mining units were stuck at various U.S. ports, according to Kulyk. He suggested that some Customs and Border Protection (CBP) officials might have been hostile towards bitcoin mining, creating significant disruption for the sector.

The seizures, which began late last year, involved U.S. Customs and Border Protection (CBP) and the Federal Communications Commission (FCC). Industry publication Blockspace reported that the machines were detained, in part, because they contained chips from Sophgo, a Chinese chip company. This came amidst ongoing tensions between the U.S. and China, with U.S. authorities citing security concerns, particularly regarding radio frequency emissions from the equipment.

Ethan Vera, COO of Luxor Technology, said that although some seized shipments are being returned, most are still being held. Both Kulyk and Vera rejected concerns raised about the emissions from the machines, calling them unfounded.

The release of some of the detained equipment occurs against the backdrop of the U.S.-China trade war, with issues regarding national security and trade restrictions complicating the situation. Sophgo, which faced penalties late in the Biden administration for its alleged links to Chinese telecom giant Huawei, is at the center of the controversy.

US Targets Chinese Companies Over AI Chips and Military Concerns

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The Biden administration has blacklisted more than two dozen Chinese entities, including Zhipu AI, a prominent developer of large language models, and Sophgo, a company implicated in using Taiwan Semiconductor Manufacturing Company (TSMC) chips for Huawei’s AI processors. This move is part of the U.S.’s ongoing efforts to curb China’s access to advanced technology, particularly in the fields of artificial intelligence (AI) and military applications.

The U.S. Commerce Department added 25 Chinese companies, along with two Singapore-based companies, to its Entity List, effectively restricting their access to U.S. goods and technology without special licenses, which are typically denied. Zhipu AI, backed by major investors like Alibaba and Tencent, was blacklisted for its involvement in advancing China’s military AI capabilities. Sophgo, which supplied a chip found in Huawei’s Ascend 910B AI system, also came under scrutiny for its role in supporting Huawei’s AI ambitions, a company already restricted since 2019.

In response, Zhipu AI denied the allegations, claiming the decision lacked factual basis and wouldn’t significantly impact its operations. Similarly, Sophgo, an affiliate of Bitmain, a leading bitcoin mining equipment supplier, also rejected claims of any direct ties with Huawei.

The U.S. also implemented stricter rules for the export of semiconductors, specifically those used in AI applications, particularly targeting advanced chips at or below 14 or 16 nanometer nodes. The new regulations aim to prevent these chips from being used in military technologies or high-tech surveillance systems, further tightening restrictions on Chinese companies like Changxin Memory Technologies, a major DRAM producer.

The expanded controls also hold chipmakers accountable for ensuring that their products do not end up in the hands of restricted entities, including companies potentially linked to Huawei’s operations.

These moves are part of broader efforts by the U.S. to limit China’s access to critical technology, especially in areas like AI and advanced military systems, and to curtail the risk of sensitive technologies being diverted to entities like Huawei.