A wallet tied to Sergei Potapenko and Ivan Turõgin’s HashFlare fraud has become active for the first time in over three years, adding a wrinkle to prosecutors’ submission of appeals to keep the Estonian nationals behind bars for 10 years.  Federal prosecutors are attempting to overturn the current “lenient” sentence for the HashFlare fraud case, which was a $577 million crypto mining Ponzi scheme that defrauded 440,000 investors.