Yes. Authorized money exchange booths located just outside the customs hall exchange leftover Kuwaiti Dinars and US Dollars for Iraqi Dinars (IQD). Nearby telecommunication vendors also sell prepaid SIM cards from operators like Zain and Asiacell, which require your original passport for mandatory biometric registration. For more: Crossing the Kuwait-Iraq Border at Safwan: Visas, Customs, and Travel to Basra