{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied to traceability and origin tracking?","a":"Decentralization: Blockchain technology  adopts a distributed network architecture, where data does not depend on a single central node, but is scattered on multiple nodes throughout the network, thus improving the security and reliability of the data."}]}],"pr":"ad9474b755505e04b37162db3a5e84853563ec65fe6bf44732b778ededa8d0d6"}