{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology ensure the traceability of transactions?","a":"Decentralization: Blockchain technology adopts a distributed network architecture, with data stored on multiple nodes, avoiding a single centralized  control and reducing the risk of data tampering."}]}],"pr":"c6e1c5ed6303db604a094c2279b5211225d0b3aa9a87222014190bf4bf3c24a5"}