We're sorry to hear that you're experiencing an issue. To submit a complaint, please contact us directly through our contact page.
bitFlyer USA, Inc. accepts written consumer complaints by mail at the following address, in addition to electronic submissions through our website.
548 Market Street, #25696 San Francisco, CA 94104
If you prefer to submit your complaint in a language other than English, please feel free to do so. We accept complaints in your preferred language.
If you are not satisfied with our response, you may also reach out to the New York Department of Financial Services (NYDFS) by filing a complaint at their Complaints Portal or by emailing "consumers@dfs.ny.gov"