{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do address rules in blockchain ensure account security?","a":"Private key management: Each blockchain account has a pair of public and private keys. The public key is used to generate addresses, while the private key is used to unlock addresses. Private keys must be properly stored,  as once lost, the assets in the corresponding account cannot be recovered. Therefore, users need to securely store their private keys."}]}],"pr":"11d7b64cb5c8cd9213fe890e070df84343b01e412ba5f2f4da05bc66d165c611"}