17. The method of claim 15 , wherein the database of registered IDNs comprises generalized variants of registered IDNs that are referenced to determine whether the generalized variant matches a registered IDN, the generalized variants of registered IDNs derived based on the deterministic algorithm.
17. The method of claim 15 , wherein the database of registered IDNs comprises generalized variants of registered IDNs that are referenced to determine whether the generalized variant matches a registered IDN, the generalized variants of registered IDNs derived based on the deterministic algorithm. 18. The method of claim 17 , wherein the deterministic algorithm includes identifying a corresponding code point with a smallest numerical value.