{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do validators in a blockchain prove their identity and background?","a":"Register an account: Validators need to create an account on the blockchain network for storing and transmitting identity information. This account usually includes a private key and  a public key, with the private key used for signing and verifying transactions, and the public key used for viewing identity information."}]}],"pr":"ae53b2f28c7ac394f5ecafa0a4f6fd4eeaf78d291d36c997c0971fa15f0f89c5"}