{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the effects of objects in a blockchain?","a":"Decentralization: Blockchain adopts a distributed node consensus mechanism, eliminating single-center control and improving the security and stability  of the system."}]}],"pr":"9a6219c7457d6833a414f82db1cb004db233100ea158dd694e1354381416812b"}