{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can compression of NFT digital content ownership and authentication be achieved in blockchain?","a":"Write a smart contract: Next,  write a smart contract to define the rules and attributes of the NFT. A smart contract is an automatically executed contract used to manage the creation and transfer of NFTs."}]}],"pr":"20199e5b1e4fc9be5a4d2da5c9c6fdf188c82b4aef959da76da48c73a2426edc"}