{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the type of blockchain parameter key?","a":"The main types of blockchain parameter key include: String, Integer, Float, Boolean, Array, etc. These types are used to represent various parameters in blockchain networks,  such as transactions, account balances, node status, etc. The specific types vary according to different blockchain systems and application scenarios."}]}],"pr":"d2defc6bb56dcbbec2c2f0de18f9d9275d375b5980858118775a19fed41bfa01"}