The Digest’s 2026 Multi-Slide Guide to Book-and-Claim Registry Integrity

Single-registry advancements have improved tracking, but a lack of cross-registry interoperability creates massive double-counting risks at deployment scales. Because registries lack shared identifiers and common metadata schemas, manual reconciliation is error-prone and unsustainable. To prevent double claiming, the industry must proactively build interoperable digital infrastructure using unified identifiers, machine-readable retirement APIs, and batch-level serialization. Establishing this automated interoperability before regulators intervene ensures transparency, prevents systemic double counting, and maintains the market integrity of environmental attribute certificates.

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Category: Multi-Slide Guides