{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"Transactions in a blockchain require information such as:","a":"Transaction time:  recording the timestamp of the transaction, used to determine the sequence of the transaction on the blockchain."}]}],"pr":"29599c184a6acaa2751884569b5f066e6e8ba80bf98477db46f10c2d7e2f8dbc"}