{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology solve the security and traceability issues in account interaction?","a":"Encryption algorithms: Blockchain technology employs cryptographic principles to secure data. By  using public-key cryptography, it ensures the privacy and integrity of transactions, as well as the identity of participants."}]}],"pr":"ab5fc0b7f7a0476b436c4cdf42b7f56f84571f60689cec3797704cfd40af4054"}