Coinbase has previously been unable to process payments or withdrawals involving U.S. bank accounts, and an investigation revealed that the failure was due to a technical problem creating an ACH transfer, an electronic payment made through the Automated Clearing Network.
This issue has now been resolved. The failure of Coinbase to process payments or withdrawals involving U.S. bank accounts was caused by a technical problem creating an ACH transfer (electronic payment through the Automated Clearing Network). The official said that user funds are safe, and the team is working hard to fix all the features.