Is Bitcoin Permissible in Islam? Muslims Disregard Clerics’ Warnings and Invest

“I am sure the largest currency used on the black market, for [buying] haram things, is the U.S. dollar. So if the question of a currency being haram is what it is used for, the dollar would be the most haram,” Sabree said. “Just because a tool is used for something haram, doesn’t mean the tool is haram.”