Staunch crypto critic Sen. Elizabeth Warren (D-MA) has claimed that crypto mining operations in the U.S. represent a threat to national security, with "foreign adversaries" running crypto mining outfits that could be used "to spy on U.S. military operations."At a hearing of the Senate Committee on Banking, Housing, and Urban Affairs on Thursday, Warren posed questions to the Assistant Secretary for Investment Security, Department of the Treasury, Paul Rosen, on the threat posed by foreign-owned crypto miners on U.S. soil.In the hearing, Warren claimed that "one third of crypto mining facilities in the U.S. are owned by citizens of the People's Republic of China, including people with direct ties to the Chinese government," seemingly citing a March 2024 report by Inca Digital.In response to Warren's query about President Biden's May 2024 order to shut down a Chinese-owned crypto mining operation located near a U.S

Inca Digital, a Digital Asset Data Analytics Company, to Lead Work to Map the Impact of Digital Financial Assets. WASHINGTON, Sept. 23, 2022 /PRNewswire/ -- The Defense Advanced Research Projects Agency (DARPA) has awarded Inca Digital's government contracting division, Inca Digital Federal, a Phase II Small Business Innovation Research (SBIR) contract to research advanced methods for analyzing activity related to financial applications of distributed ledgers in a project called: "Mapping the Impact of Digital Financial Assets"