--list-secret-keys
-K
    List all keys from the secret keyrings, or just the ones given on the command line. A # after the letters sec means that the secret key is not usable (for example, if it was created via --export-secret-subkeys).

                             _  ___   ___     __               _  _ __  
         __ _ _ __ _   _  __| |/ _ \ / _ \   / /_   _____ _ __| || |\ \ 
        / _` | '__| | | |/ _` | | | | | | | | |\ \ / / _ \ '__| || |_| |
       | (_| | |  | |_| | (_| | |_| | |_| | | | \ V /  __/ |  |__   _| |
        \__,_|_|   \__,_|\__,_|\___/ \___/  | |  \_/ \___|_|     |_| | |
                                             \_\                    /_/