{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the operational actions involved in the state transition of the spot market in the blockchain?","a":"Buying: When investors use blockchain spot trading platforms, they can purchase digital assets from sellers  by placing orders."}]}],"pr":"ba261914bab2de37e169f95864b24fb244933c0cf27f2df7cc8afcd3b3cb4088"}