This decision comes after the best religious body in Turkey likewise expressed that Bitcoins were contradictory with Islam in light of the fact that the estimation of them is 'available to theory' and can be utilized as a part of 'illicit activiies'.
A great deal of this is a direct result of the Bitcoin action on darknet commercial centers, where they trust that clients are utilizing the cash in return for medications and weapons, which has raised various diverse doubts about the virtual cash.
If the reason why they forbid bitcoin is because of "illicit activities" then why only focus in bitcoin when in fact, all payment options available can be use in criminal activities because once someone decides to do something illegal, he will use all possible means just to complete the transaction. Some of the Arab Countries even consider regulating the cryptocurrency like Iran. Check the link for the news about it.
https://news.bitcoin.com/iranian-government-bitcoin-use/