some popular cryptocurrency brokers that are publicly available include:
Binance: It is one of the largest cryptocurrency exchanges in the world and supports many types of cryptocurrencies.
Coinbase: Another famous cryptocurrency exchange that offers services for buying and selling cryptocurrencies.
Kraken: It is a reliable and old exchange that supports all kinds of cryptocurrencies and has strong security features.
Bitstamp: It is a valid European exchange that allows buying and selling of cryptocurrencies.
LocalBitcoins: An international trading platform that allows you to buy and sell cryptocurrencies with other users around the world.
Before choosing any exchange, you should definitely do your research and ensure that it meets your needs and requirements. Also, consider checking the laws and regulations regarding cryptocurrencies and exchanges in your country.
when choosing a crypto broker to buy and sell digital currencies in Iran, you can pay attention to the following factors:
Laws and regulations: Make sure that the broker you choose is compatible with the laws and regulations related to buying and selling digital currencies in Iran and operates legally.
Studying and researching various brokers and comparing their services and features can help you choose the best crypto broker for you. Also, consulting with people who have experience using different brokers can also be useful.