The return to the US comes just two months after a major legal settlement with the US Department of Justice where OKX pleaded guilty to running an unlicensed money-transmitting business in the country.
The measure first cleared the Senate on 4 March and then passed through the House the following week. Due to its link to a budgetary matter, it needed another final vote in the Senate before reaching President Trump's desk.
The Chamber’s decision to investigate comes almost two months after President Javier Milei promoted the Libra cryptocurrency on his official X account.