Tier 18 · Namespace Root
interoperabilityprotocol.eth
The protocol-spec namespace for cross-chain interoperability standards. Where bridge designs, messaging formats, and shared-security models consolidate into canonical vocabulary.
Annual Lease
$12,500/yr
Score
18 / 20
Vertical
CHAIN.INTEROP
Rights
lease-eligible
On-Chain Records
Vertical
CHAIN.INTEROP
Category
cross-chain-protocol
Type
interop-layer
Purpose
cross-chain-resolution
Rights
lease-eligible
Mapping
inheritance:infra
Schema
ensv2-taxonomy-v1
Related Names in CHAIN.INTEROP
Complete the Interoperability Stack
Interoperability standards and infrastructure.
About This Registry
Canonical Protocol Registry™ is a curated registry of over 2,750 protocol-grade ENS namespaces. Every name is scored by a deterministic rule-based engine, classified across 15 infrastructure verticals, and secured on Ledger hardware wallets. The registry is lease-only — parent names are never sold. Read the mission →