{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the methods used by blockchain technology to solve financial fraud and money laundering problems?","a":"Data cannot be tampered with: Blockchain technology adopts cryptographic algorithms and consensus mechanisms to ensure the immutability of data. Once the data is written into  the blockchain, it cannot be modified or deleted, which ensures the authenticity of the data."}]}],"pr":"ccd0129799d0477ab377b454f3b0edf2c1931e3cc7287ffd84a384f158936292"}