{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"In blockchain, how can ownership certification be conducted for digital artworks?","a":"Establish a smart contract: Establish a smart contract that governs the circulation and use of the digital art piece. The smart contract includes terms  and conditions such as the rights and"}]}],"pr":"f6d7688586f14ef08a1ce46196b30d035fef61e6ba6a596e073f31e04645ed12"}