{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can a PublicKey be created in a blockchain?","a":"First, generate a random number, then  use it as a point on the elliptic curve, which becomes the public key. The public key is usually used for encryption and verification of transactions."}]}],"pr":"2bff07c9f8b03aef95f0805b3077db92ec6f4b1a7ddab7fd1724563fc637881f"}