Wu said that according to reports from the Korean News Agency, South Korean police have confirmed for the first time that the 342,000 Ethereum stolen from the cryptocurrency exchange Upbit in 2019 was carried out by the North Korean Reconnaissance General Bureau's hacker organizations 'Lazarus' and 'Andariel'. The police concluded this through evidence obtained from North Korean IP addresses, the flow of crypto assets, and cooperation with the FBI. Among them, 57% of the Ethereum was exchanged for Bitcoin at a low price, while the remaining assets were laundered through 51 overseas exchanges. After four years of tracking, the police successfully recovered 4.8 Bitcoins (approximately 600 million Korean won) from a Swiss exchange and returned them to Upbit.