Historically, the country where the Muslims were in majority and lived according to the Islamic principles.
Hashimi
Fard kifayah
Commodity Price Swap
CLCs (Central Lending Certificates)
Ijarah Fasidah
Ida at al-mal
Bai‘ al-sikak
Iqta al-amir
Bai‘ al-’istijrar
Bai‘ al-ma’