{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"Compared to traditional databases, what are the advantages of blockchain?","a":"Decentralization: Blockchain adopts a distributed network architecture, does not rely on centralized servers or institutions, reduces  the risk of single-point failure, and improves system stability and security."}]}],"pr":"e0eccf706cbc63b1dcfb980ef79739b674f7664fb34de666eb6293f31ff8ca13"}