The Iranian Central Bank has banned the use and transaction of cryptographic currencies for all domestic banks, including Bitcoin, regarding concerns about illegal money laundering activities.

"Banks, lending institutions and stock exchanges have banned the sale and purchase of these currencies," the state news agency IRNA announced.
A law banning the use of cryptographic currencies was adopted in December.
Formally this month, Iran stopped the money exchange outside the banks after the rial coin fell rapidly.
President Donald Trump will decide on May 12 if he will restore American sanctions against Tehran, a move that would be a blow to the pact between Iran and the six major powers in 2015.