{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does the DelegationDistInfo module in blockchain record the historical reward information of delegators?","a":"The generated transaction request is sent to various nodes  in the blockchain network for verification and confirmation."}]}],"pr":"dc582690f4439fd873ac9f7494419dcaadd96c6e45fd950c259db35e16b6a70f"}