Due to the sanctions by USA for prohibiting Iran to use USD in international trade, Iran has accepted the use of cryptocurrencies. I am not sure what the right way is to handle Iran but blocking Iran will only make Iran more motivated to use other sources like cryptocurrencies.
What will the next move us USA you think?
Read this article:
Iran Passes Law to Legalize Import Funding Using CryptocurrenciesLol! I love the attitude of Iran! They know they are almost fucked up as no one is buying oil from them and they have no other sources of Income, still they are only legalizing cryptocurrencies in specific use cases! Why not fully legalizing cryptocurrencies?
I don't think a lot of countries will be interested in dealing with Iran at the first place. But even if they deal with them, will they accept cryptos? A few companies can do that but not on a large scale!