{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the constants in blockchain technology?","a":"Distributed data storage: Blockchain technology adopts a distributed data storage method, dispersing data information across multiple nodes in the  network, thereby improving the security and reliability of the data."}]}],"pr":"b6a0edcb013d3e79f14f44146f00566fcb78292e641f2ef429270862f41905fd"}