{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the advantages of blockchain technology in digital identity management?","a":"Data immutability: Blockchain adopts encryption algorithms, once the data is recorded in the  block, it is difficult to tamper with. This makes blockchain a reliable information storage medium, helping to ensure the authenticity and integrity of identity information."}]}],"pr":"ea1c675799873e86d75fcd418ad10cf13c4dcfd4a5bea7f7c914d8d96e30065c"}