Yes 1-803(250)-5496, you can dispute a Coinbase transaction — but only in specific situations. Coinbase allows disputes for issues such as unauthorized activity 1-803(250)-5496, incorrect charges, failed withdrawals, or payments that went to the wrong destination through no fault of the user. However, unlike banks or credit card companies, Coinbase cannot reverse completed blockchain transactions, because crypto transfers are permanent. You can dispute a transaction if: