{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology protect privacy?","a":"Identity Privacy: Through asymmetric encryption technology, blockchain technology provides users with anonymous identity authentication, avoiding the identity correlation risks of centralized servers."}]}],"pr":"0b8e5698aa5fa9db2a17298e83fc0499d248e0bd435a2b15fcdcf7652baed3d4"}