ENS Blog has released a technical note describing how ENS standardizes domain name inputs using the ENSIP-15 standard. According to the note, reported by Techub News, the core idea is to turn inputs that may contain different letter casings, Unicode variants, or emoji into a single, predictable form. This matters because visually similar characters and invisible characters can otherwise cause confusion when a domain name is displayed or resolved. The mechanism works label by label: it takes the input, converts it to canonical Unicode, and then validates it against character validity rules and visual confusion rules. The output is either a unique standardized domain name or a rejection of the input if it fails validation. ENSIP-15 was finalized in 2023, establishing a common resolution baseline for wallets and applications. The rule set is designed to give applications a clear and consistent way to interpret ENS names, reducing the chance that two different inputs are treated as the same or that a deceptive name is accepted.
ENS Blog has published a technical note explaining how ENS normalizes domain name inputs under the ENSIP-15 standard, as reported by Techub News. The protocol converts different letter casings, Unicode variants and emoji into a unified format, aiming to prevent visual confusion and the risk of invisible characters.
The mechanism processes labels one by one. Input is first converted to canonical Unicode, then validated against character validity and visual-confusion rules. The output is either a unique standardized domain name or a rejection of unsafe input.
ENSIP-15 was finalized in 2023, giving wallets and applications a unified resolution standard.
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