{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the transaction validation process in a blockchain?","a":"Send transaction request：After digitally signing the transaction data, the initiator sends the  transaction data to all nodes in the blockchain network."}]}],"pr":"69933c3082ea7037167fc1827baa00acc19d1ba7ffaa6a5265589bbd5a2ef073"}