{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology ensure the transparency and traceability of transactions?","a":"Distributed ledger: Blockchain technology ensures data consistency and traceability by recording transaction information on multiple nodes in the network through a distributed ledger. Each transaction forms  a chain structure with previous transactions, so that once information in any link changes, subsequent transactions will be affected, thus ensuring the integrity and authenticity of the data."}]}],"pr":"ced6af9d915069a02a6fa31b129aebdf5b99f2946842ac670d550ba63cc02eae"}