{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How is the communication between etcd and validator in a blockchain ensured to be secure?","a":"Encrypted Communication: The communication between etcd and validator adopts encryption algorithms such as SSL/TLS, which encrypt and decrypt the transmitted data to ensure the confidentiality  of the communication content."}]}],"pr":"e876486802c46f1f7c9c48bd480a9990e98033b6f4fd78068c38f27ed8e6b2bd"}