Dollars are ok, but they can only be exchanged on the black market. Officials banned the circulation of dollars.

Domestic banks in Iran are closed to the outside world, which is a huge local area network, so domestic UnionPay and credit cards cannot be used in Iran.

Men have nothing to pay attention to.

Women should wear headscarves and follow Islamic dress codes.

Iran's political situation is stable, the crime rate is low and it is very safe. There are few crimes against foreigners, so just bring enough cash.

Finally, it suddenly occurred to me that homosexuals had better not go to Iran. Once caught, they will be dragged to lut desert to mine and executed. This is no joke. Homosexuality is punishable by death in Islamic law in Iran.