{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the privacy protection measures in blockchain?","a":"Masternodes: Masternodes are nodes in the blockchain network that provide additional services, such as transaction validation and privacy protection. They  help maintain the security and stability of the blockchain network and enable users to enjoy a more secure and private transaction experience"}]}],"pr":"d2d9b6e7baf8fd9f835be89b5b284fd214c2bf9592ff86765860f633a586069a"}