{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"When does it require creating tracking data again during the transaction tracking process in a blockchain node?","a":"When a node detects that a transaction in the blockchain network is problematic, such as being rejected or encountering errors during the confirmation process, the node needs to re-create trace data  to better understand the issue with the transaction and take appropriate measures."}]}],"pr":"da86b06a6369b880ac4426dde08a5faec6e6ed0247bbcebfe31c055b9ecb9379"}