{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How are digital assets protected in the blockchain?","a":"Private key management: The private key is the key to accessing and controlling digital assets. Users need to properly keep the  private key and avoid its leakage. Once the private key is lost, the corresponding digital assets cannot be recovered."}]}],"pr":"4435fe6b78d316c6af8d55e130a0e83d70e7b5c49e38588c9fc295b42bfbfec7"}