It is a platform for buying and selling virtual currencies, ranking among the top ones. The official claims that they will set up a special bank account in the real world and store it in the Binance exchange, with an amount equivalent to the currency value. (For example, if you have 1,000 usdt in Binance, you will have 1,000 usd in your bank account) Basically, you can conduct spot trading, contract trading, trading robots, copy trading, etc. on the Binance exchange.