Bankin tara kudi na tarayya wata cibiyar hada-hadar kudi ce da gwamnatin tarayya ke tsarawa, musamman ofishin Kwanturolar Kudi ko kuma Ofishin Kula da Kaya. Babban Bankin Tattalin Arziki na Tarayya yana shiga cikin karɓar adibas daga abokan ciniki da saka hannun jari a cikin lamuni da sauran kadarorin samun riba. Waɗannan bankunan gabaɗaya sun fi mayar da hankali ne kan samar da samfuran ajiya, kamar asusun ajiyar kuɗi da takaddun shaida na ajiya (CDs),