Sale of a monetary value for monetary value. Exchange of currencies.
Al-dhimmi
Diwan al marafiq
Bai‘ al-gha’ib
Bai al-usul
Bai‘ bil barnamaj
Benevolent Bonds
Bai‘ al-mahawij
Bai bil-wafa
Bai‘ al-’asnam
Bai‘ al-ma‘dum