Due to an influx of spam, we have had to temporarily disable account registrations. Please write an email to accountsupport@archlinux.org, with your desired username, if you want to get access. Sorry for the inconvenience.
Taken from Debian at https://salsa.debian.org/debian/gnupg2/-/blob/201608e7b879a97e34ee0c198b5bbb4a8130e41a/debian/keyboxd.8