{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the role of hardware wallets in blockchain?","a":"Offline transaction verification: When conducting transactions using a hardware wallet, confirmation is required from the wallet's  confirmation button to ensure the smooth progress of the transaction."}]}],"pr":"16a23d4af7f53690c6277866abf394842605582106c3e34aad00a8c47302fe7e"}