Moment/Getty ImagesThe cofounders of crypto mixer Samourai Wallet were charged with money laundering.The service anonymized hundreds of millions of dollars for dark web criminals, prosecutors said.Samourai's cofounders invited the laundering, prosecutors allege.The cofounders of a cryptocurrency mixing service called Samourai Wallet — which rendered crypto transactions anonymous — have been arrested and charged with money laundering, according to an indictment unsealed Wednesday.Prosecutors for the Southern District of New York claimed the crypto mixer made $2 billion worth of transactions untraceable, and that its founders — Keonne Rodriguez and William Lonergan Hill — knew criminals were using the service to launder funds.Rodriguez and Hill were charged with conspiracy to commit money laundering and conspiracy to operate an unlicensed money transmitting business.The Samourai Wallet website has been seized.