{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do consensus rules in blockchain ensure the traceability of transactions?","a":"When a node successfully mines a block, it broadcasts the newly mined block to other nodes in the network. Other nodes then verify the block's validity, and  if it is valid, they add it to their local ledgers and begin mining the next block."}]}],"pr":"8e808cbb02d1709dc0f8b53bd3be675a99474f886a45c18cff6ab19fb1989c44"}