{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to ensure the traceability of transactions in blockchain account interactions?","a":"Transaction validation mechanism: Participants in the blockchain network (nodes) need to validate transactions to ensure they comply with the rules and  receive a timestamp. This process helps to ensure the authenticity and sequence of transactions, thereby improving traceability."}]}],"pr":"1e25924569bac4cb1f95e3ecf0a5aa7b949be7e5b6b64e66cb0e8add67119803"}