Arguing Class Actions is a monthly column for the National Law Journal.

The emergence of cryptocurrency has introduced new possibilities, both for financial transaction transformation, as well as potential exploitation of the anonymity of cryptocurrency to perpetrate fraud, money laundering, and other criminal activity by bad actors.  Over the past several years, countless cryptocurrency consumers have been defrauded by rogue and fraudulent financial technology companies and trading platforms. Many of these injured parties have sought justice in U.S.-based class action lawsuits, where they must show that the court has personal jurisdiction over the defendants.