{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to ensure the security of a blockchain private network?","a":"Cryptographic technology: In private blockchain networks, data transmission and storage utilize encryption algorithms, combining asymmetric  encryption and symmetric encryption to ensure the security and integrity of the data."}]}],"pr":"6d66cbd0324ce3556184640b290a6a0649c01641f6a7a0d8518ebf94982d5103"}