{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the principles of blockchain technology?","a":"Decentralization: Blockchain adopts a distributed network architecture, where data is not managed by a single central node, but is distributed across multiple  nodes, reducing the risk of single-point failure."}]}],"pr":"a36b35038b1cd2afda7e77cab1b8a1b2e3c398d9a594474b15dfae11589f6aaf"}