Digital currency perspective of Islamic law

28/DSn-MUI/III/2002 regulates the buying and selling of money in the fatwa reads: Currency buying and selling transactions are allowed, provided: Not for profit (speculation), just in case (deposits), the marketing needs if the currency transactions of the same type then it must be the same value and cash. If there are different types, it must be based on the exchange rate at the time of transaction and cash delivery. The concept of digital currency for buying and selling transactions has qualified and got along well. However, in the mechanism, there is an element of uncertainty. Its nature is unknown (jahalah) nature and form, namely contained in the software. The use of digital money is also seen as a lot of harm. Because when the price goes up, this digital money will be sold even if the cost can be up to zero, here there is a wrong side: voting fate and profit-seeking profit. So, to avoid harm, this digital money is not recommended to be used