JPMorgan Chase has been sued by investors in Goliath Ventures, with a proposed class action lawsuit alleging the bank ignored “red flags” that the allegedly fraudulent crypto pool raised and helped enable what the complaint describes as a $328 million crypto Ponzi scheme that affected over 2,000 people.

Filed in federal court in the Northern District of California Wednesday, the complaint claims Chase “provided the essential banking infrastructure through which the Ponzi scheme operated,” processing investor deposits, facilitating transfers and enabling payments that allegedly “created the false appearance of legitimate profits.”

Florida resident Christopher Alexander Delgado was arrested last month by federal authorities on…