{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How is tracking data stored and managed in blockchain nodes?","a":"Distributed Ledger: The distributed ledger is a core component of the blockchain  system, where data is recorded and stored. Each node in the"}]}],"pr":"c443aac7057b50ae0144d35770ba7e6096b0d9e79d3e79c925291ce068df2275"}