Sale on the basis of specifications, without showing the object of sale to the buyer.
Bai‘ al-khamr
Bai wa shart
Bai‘ al-‘ariyah
Bai al-sikak
Bai‘ al-hasah
Shariah compliant
Al-‘ushur
Bar’a
Bai al-sirar
Bai‘ al-hadir li-bad