{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What specific information can blockchain's traceability records return?","a":"Previous block header hash value: Used to ensure that blocks are connected in sequence.\n2. Timestamp: Records the generation time of the block.\n3. Random number: The answer to the arithmetic problem that miners compete for across the entire network.\n4. Difficulty target: The difficulty rating of the arithmetic problem.\n5. Transaction details: Detailed records of the sender, recipient, amount, and sender's digital signature for each transaction.\n6. Transaction counter: Represents the number of transactions in each block."}]}],"pr":"c1e2d06a481c35d24bece8ca39f5515f65eee446297fae9f2aafaaa2078eb210"}