Specify the name of authentication key for nonce.
The filter hook “ip-location-block-auth-key” assigns the name of authentication key for nonce.
If you want change it to shorter name, put the following code snippet into the
functions.php in your theme.
"mu-plugins" (ip-location-block-mu.php)as Validation timing , you should put your code snippet into
drop-in.phpin Geolocation API folder instead of
functions.php. See My custom functions in “functions.php” doesn’t work. in FAQ for detail.