{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the functions of the Handler in the blockchain upgrade module?","a":"Upgrade Request Listening: Listen and capture external upgrade requests,  and incorporate them into the upgrade queue for processing."}]}],"pr":"03fdb4437617a9c2becfbde7ce57b8c873f9d5b1e8318ac36bf404b01ad3fa3c"}