{"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 uses encryption algorithms such as asymmetric encryption and symmetric encryption to encrypt and decrypt the transmitted data, ensuring the security of the data during transmission."}]}],"pr":"d3987716a97f9c1b6680b155b732db2c1b084f808023d4f8c201a1c01c1354cf"}