Yep, "authn" is good because it sounds like the first two syllables of "auth-en-ti-ca-tion". I now agree with you that "autho" would have been better for the s

Yep, "authn" is good because it sounds like the first two syllables of "auth-en-ti-ca-tion". I now agree with you that "autho" would have been better for the same reason. Although "authz" sounds cooler :)