The Bureau of the Fiscal Service is a sleepy part of the Treasury Department. It’s also where, sources say, a 25-year-old engineer tied to Elon Musk has admin privileges over the code that controls Social Security payments,

The Department of Government Efficiency's alleged access to the Treasury's payment systems has sparked a lawsuit from federal workers' unions.

If Elon Musk or his DOGE team were to attempt to block federal payments, it would likely face legal challenges given the money is approved by Congress.