{"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":"fc27a2b47b64107cf5518ddfee477e621f08eb2c9f687b91eb8d478e2553f061"}