A Ukrainian national accused of co-founding the Forsage cryptocurrency investment platform was extradited from Thailand last week and pleaded not guilty in federal court in Portland, Oregon, becoming the first of four co-defendants charged in a $340 million Ponzi scheme to face a U.S. courtroom.
Olena Oblamska, 42, also known online as "Lola Ferrari," was arraigned on May 11 on a single count of…