South Korea's Jung Ki-joon, 52, was head of economic policy at the Office for Government Policy Coordination

  • He helped coordinate efforts to create new legislation aimed at suppressing cryptocurrency speculation and illicit activity
  • Semiofficial news agency Yonhap reported that Mr. Jung was presumed to have suffered a heart attack

Police have opened an investigation into the cause of death

Wall Street Journal report is here for more (may be gated):

South Korean Cryptocurrency Regulator Found Dead at Home