{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the main components of the Peggy module in a blockchain?","a":"Block Header: Contains identification information for each block, such as version  number, hash value (Hash), timestamp (Timestamp) etc."}]}],"pr":"44417e532140643f2417485290e60df05f7b5b4f8e663f7d7aa2c969b1bb3bcf"}