Https://oig.dc.gov/sites/default/files/webform/rafp_online_complaint_form/_sid_/%5BCustomer%20Support%5D%20How%20to%20Resolve%20a%20Coinbase%20Payment%20Failed%20Issue.pdf https://oig.dc.gov/sites/default/files/webform/rafp_online_complaint_form/_sid_/%5BCustomer%20Support%5D%20How%20to%20Resolve%20a%20Coinbase%20Payment%20Failed%20Issue.pdf