{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the applications of blockchain in copyright protection?","a":"Copyright transactions: By storing transaction records on a blockchain platform, copyright owners  can encrypt copyright content and execute the transaction process through smart contracts."}]}],"pr":"8ec4fd9dbc93fba490250178c67e01c98ef6ef6eae3993f058ca6dd22ca9208f"}