{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do hardware wallets in blockchain enhance asset security?","a":"Asymmetric  encryption technology: Hardware wallets use asymmetric encryption technology, encrypting users' private keys and public keys for security."}]}],"pr":"8e4f8797f254819230365a95a744ed1c33f5391acc4f381d7d1eb43e3c73eff3"}