Elon Musk has confirmed he wants to put the U.S. Treasury on a blockchain, the technology that underpins bitcoin and other

Elon Musk, the lead of the Department of Government Efficiency, backed the idea of using blockchain technology on Sunday to streamline the U.S. Treasury. What happened: The Tesla and SpaceX CEO accused the Treasury Department officials of flouting rules to sanction government payments.

The dramatic power play began Friday, continued through the weekend -- and poses extraordinary and unprecedented threats to US security, lawmakers say

Trump and Musk could use sensitive Treasury information to punish their enemies. Worse yet, they could break America’s payment system entirely

Elon Musk and his aides have taken control of the US Treasury's payments system, triggering a lawsuit charging he is illegally getting access to private data.