The Federal Bureau of Investigation (FBI), Internal Revenue Service Criminal Investigation (IRS-CI), the United States Attorney’s Office for the District of Columbia, and the Department of Justice’s Computer Crime and Intellectual Property Section are conducting an ongoing investigation.

If you have questions or concerns about your QuadrigaCX account, or if you believe you are a victim, please complete the below questionnaire. Your responses are voluntary but would be useful in the federal investigation and to identify you as a potential victim. Based on the responses provided, you may be contacted by the FBI and asked to provide additional information.

The FBI and IRS-CI are legally mandated to identify victims of federal crimes that they investigate and provide these victims with information, assistance services, and resources.

Questionnaire: