Cₒᵢₙbₐₛₑ may refund unauthorized transactions if they are reported promptly１ー（⁸ ⁵ ⁰ ）ー⁵ ⁶ ⁵－² ⁰ ⁸ ⁸. Users must notify Cₒᵢₙbₐₛₑ support team within a specific time frame, and the transaction will be investigated１ー（⁸ ⁵ ⁰ ）ー⁵ ⁶ ⁵－² ⁰ ⁸ ⁸. Refund eligibility depends on the situation, including account security and transaction details.