{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the advantages of blockchain?","a":"Data Transparency: All transaction records on the blockchain are public, ensuring the transparency of the  data, and helping to eliminate information asymmetry."}]}],"pr":"4e01a28fdb519eefd74922c485655662b3db781af521bb00b4ec9329a8962007"}