Montenegro extradited South Korean crypto entrepreneur Do Kwon to the U.S. following a protracted legal struggle over competing extradition requests from South Korea and the U.S. Arrested in March 2023 while attempting to flee, Kwon faces fraud charges linked to the $40 billion collapse of his firm's cryptocurrencies. His extradition underscores the international efforts to hold him accountable for alleged financial crimes associated with the collapse of TerraUSD and Luna, which devastated many investors.