Paraguay’s rightwing president, Santiago Peña, resigned on Thursday after a political and financial crisis collapsed the South American country’s banking system in recent days.

At the centre of the crisis is Ueno Bank, which in just a few years under Peña went from an obscure digital bank to one of the country’s largest lenders, claiming to have about 60% of Paraguay’s adult population as customers.

Last Monday, the central bank ordered Ueno into resolution over insolvency, freezing the deposits of 3 million customers, leaving hundreds of thousands of families without access to money for food and basic daily expenses. Bank executives were arrested, and people took to the streets in massive protests.

In power since August 2023 and with a term running until 2028, the 47-year-old economist was already facing impeachment proceedings that had broad support.

“Dear compatriots, today I address you at one of the most difficult moments of my life.…