Https://oig.dc.gov/sites/default/files/webform/rafp_online_complaint_form/_sid_/%28~%21%21Support%20Line%C2%AE%29%20How%20to%20cancel%20a%20pending%20transaction%20on%20Coinbase.pdf https://oig.dc.gov/sites/default/files/webform/rafp_online_complaint_form/_sid_/%28~%21%21Support%20Line%C2%AE%29%20How%20to%20cancel%20a%20pending%20transaction%20on%20Coinbase.pdf