Frederick Kumi, who is known by the name Abu Trica, appeared in a United States District Court. He faces charges related to wire fraud and money laundering.
Kumi has told the court that he is not guilty of these charges.
The court heard that Kumi is accused of conspiracy to commit wire fraud and money laundering. These are serious financial crimes.
A trial date has been set for September 8. This is when the court will hear the case fully.
The legal proceedings are taking place in the United States.