Duelbits will also ask for your KYC in the withdrawal process. especially for those who make withdrawals in large enough amounts. many users will probably refuse KYC, and more often than not interrupt the withdrawal process. because the KYC verification process also takes time. and until that is done, most casinos will not process any withdrawals made.
but as long as we have proper documents, and are by the procedure, the process won't take too long either.