{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the advantages of hardware wallets in blockchain?","a":"Hardware wallets in blockchain have the following advantages:\\n\\n1. Security: The biggest advantage of hardware wallets is their security. They usually use encrypted chips to store users' private keys, isolating them from the internet to ensure that assets  are not easily attacked by hackers. Compared to other types of digital wallets, hardware wallets have higher security."}]}],"pr":"5c3738d94b9adb9745e99890b18d4404a33c814b44e993d0360f4bead5728296"}