{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology improve the efficiency and security of financial transactions?","a":"Data cannot be tampered with: Blockchain uses encryption algorithms to ensure that  once data is recorded in a block, it is difficult to tamper with. This makes the data in the financial transaction process authentic and reliable, helping to establish a trust mechanism."}]}],"pr":"ae03765c5a1a771601721147657f54289988a47f563a1216b80a71e7d4185ac8"}