{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain ensure the security of NFT metadata compression?","a":"Transaction immutability: Once an NFT  transaction is recorded on the blockchain, it cannot be altered or deleted. This feature ensures the integrity of the NFT metadata and prevents fraud."}]}],"pr":"523f71c2ab92fb9a91bc8b0f56ee5280e8c2b099dcfc5a2ab4b57f97aa479f2b"}