{"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":"Public key management: The public key is used  to verify the authenticity of transactions and operations initiated by the user. It is essential to protect"}]}],"pr":"a699b3f147f1851c6953b8c67bdbf6b64cad9f1a6d8a4d97a3433c0a264b95b4"}