{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can the data security and integrity of NFTs be ensured in a blockchain?","a":"Decentralized storage: NFT data is distributed  across multiple nodes in the blockchain network, avoiding the security risks posed by centralized storage. Each node saves the complete blockchain data, ensuring redundancy and security of the data."}]}],"pr":"88370cb9ef87c5a90d8928f710fe106eaa120cb2021f6122687480ea7f780521"}