{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do you manage account ownership and operation permissions in a blockchain?","a":"Creating an account: When a user creates a blockchain account, the system generates a pair of public and private keys.  The public key is used to verify transactions and operations, while the private key is used to sign transactions and provide control over the account."}]}],"pr":"78c50f88ed7288c10e1c077252c4b6d69be2a4422f5c33708cf6d915e0a86337"}