A "black market bank" - how Liberty Reserve was described by law enforcement authorities.
U.S. prosecutors have seized control of the digital currency exchange.
They say the Costa Rica-based company helped criminals around the world launder over $6 billion.
The illicit funds were linked to everything from child pornography and drug trafficking to software for hacking into banks, says U.S. Attorney Preet Bahrara.
SOUNDBITE: PREET BHARARA, UNITED STATES ATTORNEY FOR THE SOUTHERN DISTRICT OF NEW YORK, SAYING (English):
"We announced charges in what may be the largest international money laundering case ever brought by the United States. Specifically we unsealed charges against Liberty Reserve and seven of its principles and employees who for years have operated one of the world's most widely used digital currencies. But as alleged, the only liberty that Liberty Reserve gave many of its users was the freedom to commit crimes, as it became a popular hub for fra