A 20-year-old Argentine named Federico Jaime, who claimed to be behind the $200 million Euler Finance hack, was arrested at a Paris train station in May for traveling with 200,000 euros in cash, according to DL News. locked up in a Paris jail. Federico Jaime said the 200,000 euros in cash consisted in part of about $2 million worth of ethereum that Euler allowed him to keep because the Euler team believed the money had been tainted through Tornado Cash, which the U.S. government sanctioned last year. The man said he was involved in the hack of 20 projects. The Euler exploit was with a Spanish student, but there was infighting in the end.