{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to determine the transaction fees in a transaction?","a":"Understand the rules of the trading market: First, you need to understand the charging standards of the trading market, such as securities market, foreign exchange market, futures market, etc. The composition and  standards of transaction costs may vary between different markets."}]}],"pr":"3d0fd0d5d2ad871732acc1a5fcc740beb37075b740665906fe56fcc2fdf8bbb6"}