SEATTLE — A 47-year-old Newcastle, Washington, man pleaded guilty in U.S. District Court in Seattle to conspiracy to commit money laundering for his role in moving nearly $100 million in proceeds from an investment fraud scheme, federal prosecutors said.

Geoffrey K. Auyeung admitted that he accepted fraud proceeds and forwarded the funds to coconspirators’ bank accounts and cryptocurrency addresses, according to an announcement by First Assistant U.S. Attorney Charles Neil Floyd.

Auyeung was arrested on a criminal complaint on Aug. 12, 2024, and was indicted by a federal grand jury later that month.

According to the plea agreement, from at least August 2022 through August 2024, coconspirators persuaded victims to send money to what…