A Democratic senator has asked the US Commerce Department for information about how it is addressing “potential national security concerns” created by a Chinese Bitcoin mining manufacturer https://www.bloomberg.com/news/articles/2026-03-27/senator-asks-about-bitmain-related-national-security-concerns?taid=69c6b0e0802c970001479822&utm_campaign=trueanthem&utm_content=business&utm_medium=social&utm_source=twitter