{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the role of hardware wallets in blockchain?","a":"Secure storage of private keys: Hardware wallets store the private keys of digital assets separately on secure chips with encrypted configurations,  isolated from the Internet, thus ensuring the security of the assets."}]}],"pr":"217631323c46df1c6bc4492cd59064e43e61ae7a86ae4fa61a38ea9d4aae954d"}