#加密安全须知 The transaction type refers to the different kinds of trading methods used in activities involving buying, selling, swapping, or otherwise transferring ownership of goods or services. For beginners, it is very important to understand common transaction types such as market trading, limit trading, spot trading, futures trading, options trading, etc. Each of these transaction types has its own characteristics and is suitable for different scenarios and needs. Investors should choose the appropriate transaction type based on their own situation to achieve asset appreciation and risk control.