In a letter to the Treasury secretary, the Democratic senator warned against meddling with a system that processes trillions of dollars of transactions.
Treasury Secretary Scott Bessent gave Mr. Muskβs representatives at the so-called Department of Government Efficiency a powerful tool to monitor and potentially limit government spending.
Scott Bessent, President-elect Donald J. Trumpβs choice to be Treasury secretary, will be in charge of steering the presidentβs economic agenda if confirmed by the Senate.
Financial disclosure forms show hundreds of millions of assets including property in the Bahamas and investments in Bitcoin and bets against Chinaβs currency.
President-elect Donald J. Trump has moved beyond the team-of-rivals approach from his first term and chosen economic aides who will defend tariffs and tax cuts.
The president said he was moving to protect national security in deciding the fate of the iconic Pennsylvania-based company, which became a contentious political issue in an election year.