{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied in the field of identity authentication?","a":"Data Security and Privacy Protection: Blockchain adopts encryption algorithms to ensure that  data cannot be tampered with, and at the same time allows users to participate anonymously, reducing the risk of data breaches and protecting personal privacy."}]}],"pr":"361b4aa98ba2e167751cc00c6aa75bc28f876d34617c6411437c722be6ea0e6f"}