{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"Why is blockchain considered a secure technology?","a":"Decentralization: Blockchain adopts a distributed network architecture, which does not rely on centralized servers or institutions, reducing the  risk of single-point failure. The data is distributed across computers worldwide (called nodes), each of which stores the complete transaction records, thereby improving the system's stability and resistance to attacks."}]}],"pr":"4b32954717c4fa92686fd153e7f70987d3584454ea72013c48eb936be3e699af"}