{"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":"97c9e3eeb822657e3a53c2cd5b0b1d38f68c4a1019102927bf7b9014fa8d0a5e"}