{"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":"6e1b410536ce94ca983756eb2a4b4a7b12ce6d0748084e48637449a58b3ac254"}