{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain ensure the security of transaction data?","a":"Encryption algorithm: Blockchain uses encryption technology  (such as SHA-256) to encrypt transaction data, ensuring the confidentiality of the data. Only participants with the correct keys can access and process the data."}]}],"pr":"f1d25bbd017736035c86e178b2ea016b64329329368096e1de3442c4f79173c9"}