{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to import and export transaction tracking data in blockchain nodes?","a":"Establishing a Data Repository: Store the processed transaction data in a data repository  within the blockchain node, such as a database or distributed storage system."}]}],"pr":"6d19144557325edac11a176da9195c025d5fbd54918360499cf8f3c2e069b7e6"}