However, the CBI decided to take a more moderate stance toward the digital money and blockchain technology following the imposition of a new round of US sanctions, hoping that the digital technology would facilitate Iran’s international money transfers and let the country evade the sanctions.
Meanwhile, as an oil producer with an oil-reliant economy dominated by petrodollars, Iran settled on the plan to utilize cryptocurrencies and blockchain technology to make up for any drop in oil revenues due to the economic sanctions designed to cut its oil sales.
https://paperblockchain.com/getting-around-sanctions-with-crypto-rial/