1. After login, select 'Exchange' on the top left menu.
2. Once you go into the trading page and select the trading pair to trade (BTC/USDT as an example).
3. Select the Order Type in the order book. If you choose the Limit transaction, you must set the order price and the quantity. If the Market transaction is selected, the order will be executed at the current market price.
4. Click "Buy BTC" or "Sell BTC" button to place the order. Unexecuted(Pending) orders are in the Open Orders tab, and completed and canceled orders will be in the Order History tab.