{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do NFTs in blockchain achieve unique ownership and identity authentication of digital content?","a":"Unique Identification: Each NFT has a unique identifier, generated by smart contracts in the blockchain network. The uniqueness of this identifier ensures the irreplaceability  of digital content."}]}],"pr":"b07faa651499ffe9108ff02005d7d882f2e7aafe23e8b1ddbc62d1a01abec8c5"}