OCS Documentation Center

Technical reference for the PGTAIL engine, policy architecture, and security model. Phase 1 is production-ready. Forensics and institutional API are on the roadmap.

Foundational Documents

The why, the what, and the how — covering the problem, the current product, and the roadmap.

PGTAIL Whitepaper

Pre-transaction risk evaluation architecture, guard coverage, policy model, and phase roadmap.

Architecture Overview

Current API architecture, transaction evaluation flow, threat mitigation model, and Phase 4 protocol roadmap.

Security & Threat Model

Case studies, guard catalog, and the fail-closed model that governs every evaluation.

Vulnerabilities Addressed

How PGTAIL guards map to the Coinbase breach and supply-chain attack vectors.

Full Feature Catalog

All 9 guard categories, 60+ active guards, policy postures, and infrastructure details.

API & Integration

Integration guidance for wallets, dApps, and institutional signing flows.

PGTAIL API Integration Guide

Coming soon

How to call the PGTAIL check-risk endpoint before signing, handle structured decisions, and deploy policy.

Policy Template Reference

Coming soon

Pre-configured posture profiles for common use cases — individual, family office, DAO, and institutional.

Roadmap & Future Phases

Defined and sequenced — not yet in production.

Phase Roadmap

Forensics (Phase 2), Institutional API (Phase 3), and Protocol-Native Enforcement (Phase 4) — what each phase adds and when.

Protocol Architecture Vision

Smart account contracts (Phase 4A) and sequencer-level L2 enforcement (Phase 4B) — how the API layer evolves toward protocol-native enforcement.