For the buyer to keep something as mortgage in case of a third party’s later claim on the goods; withholding a part of the price as a mortgage.
Riba al-nasi'ah
Bai‘ al-salam
Al-ajir al-khas
Bai‘ al-munabadhah
Al-‘ushr
Musharakah Mutanaqisah
Al-munasabah
Bai al-'inah
Qimar
Reverse Murabaha (Tawarruq)
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