{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How are the current transaction fees calculated?","a":"Trading method: Whether it is a buy-sell round-trip transaction, a one-way transaction, or other  special trading methods, different trading methods correspond to different fee rates."}]}],"pr":"fbe51b5cfd4cd794f8cfd63deed041f8851f947c9638ab945f22ab976bb7f7f2"}