{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied to secure and protect the safety of personal data?","a":"Data encryption: Blockchain technology uses encryption  algorithms (such as SHA-256) to encrypt data, ensuring the security of data during transmission and storage."}]}],"pr":"c2e0160ebd0cfb95ac56a00943ff10d41e05848c4abc37c9fb883b4646b9169e"}