{"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 stored and managed by a central node but is distributed across multiple nodes throughout the network, reducing the risk of single-point failure."}]}],"pr":"4b494a6ab5d988a8a315a19ea82889c53c61ff97d72965d2bea9d911798f5644"}