{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the role of hardware wallets in blockchain?","a":"Enhancing transaction efficiency: Hardware wallets support a variety of token  types, making it convenient for users to manage and trade digital assets."}]}],"pr":"20ffc556f33ff13a6e72f5a47303da849a4422a10f0e37a307aed10fd06ba635"}