What is the Argentine government investigating regarding President Milei's cryptocurrency endorsement?

The Argentine government has launched an investigation into President Javier Milei following his endorsement of the dollar libra cryptocurrency on social media platform X. This investigation is particularly focused on examining whether there are any allegations of fraud connected to this case, with the government specifically investigating the president himself. This probe comes after Milei's promotion allegedly caused a dramatic price surge in the cryptocurrency followed by a catastrophic crash. The situation has become so serious that there are now calls for his impeachment, creating a significant political crisis for his presidency.