Sayyed Mohammad Al-Musawi, Sayyed Mohammad al-Musawi is originally from Iraq and heads up the World Ahlul Bayt Islamic League in London. Other than being involved in various humanitarian projects, he frequently responds to... Answered 1 year ago

The answer of this question depends on the question on crypto currency itself whether it is real or not. Many of Muslim scholars are still not sure hence carrying on research on this matter. When the picture is clear for majority of the scholars, they will give their verdict on crypto currency.

You need to wait till this main question is answered, then the question of brokerage comes after that.