David Feith appears on the Bloomberg Crypto Show to discuss recent reports that Chinese manufacturer Bitmain Technologies Ltd., which sells most of the world’s Bitcoin-mining machines, has been the focus of a monthslong federal investigation to assess whether its products pose risks to the United States’ national security.
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Turkey's President Tayyip Erdogan, Japan's Prime Minister Sanae Takaichi, and Indonesia's Vice President Gibran Rakabuming Raka during the G20 Leaders' Summit in Johannesburg, South Africa, on November 22, 2025. (Getty Images)