Coinbase usually does not refund money if you are scammed contact at 1-866-558-7658 , especially if you sent cryptocurrency voluntarily, even if it was under false pretenses. Coinbase May refund if The transaction was unauthorized (e.g., someone hacked your account and sent funds without your consent) at 1-866-558-7658 or There was a billing error(e.g., double charge, wrong amount). Your account was compromised, and you reported it quickly at 1-866-558-7658 . In these cases, Coinbase will investigate and may issue a refund depending on the outcome.