Orthonode Infrastructure Labs™ Lab | Version 1.4.0

The Nexus Protocol (Prototype) is architected for Sovereign Resilience. We prioritize the integrity of the local ledger and the "Fail-Closed" security of the identity perimeter.

• Identity Resolution: Nexus utilizes a "Fail-Closed" logic gate. If the Sentry detects an invalid environmental context or unauthorized signature, the transaction is rejected at the edge (403 Forbidden).
• State Protection: No writes are committed to the nexus_vault.db until the identity perimeter is cleared. This ensures that the sovereign vault remains uncontaminated by unverified state transitions.
• Threat Model Disclaimer: Phase 1.4.0 focuses on ingress integrity and state correctness, not adversarial network anonymity.

• Deterministic Ingress: To maintain stability over public tunnels, the protocol utilizes specific routing headers to ensure deterministic ingress behavior and prevent tunnel interstitial interference.
• ACID Integrity: Security is enforced at the database layer via Write-Ahead Logging (WAL) and atomic transactions. An economic split is only "secure" if it is mathematically impossible to commit a partial state.
• Local-First Isolation: The Brain is designed to operate with minimal external network dependencies, reducing the attack surface to the local host and the authenticated zero-trust tunnel.

To maintain architectural honesty during the hardening phase, note that:

• Nexus does not currently provide end-user anonymity guarantees.
• Nexus does not custody private keys or external assets.
• Nexus does not enforce cryptographic multi-chain identity beyond environment validation in this release.

We encourage responsible disclosure of vulnerabilities that could compromise the Sovereign Vault or the 60/30/10 Economic Invariant. Please report vulnerabilities privately to Orthonode Infrastructure Labs™ Engineering:

• Official Channel: infrastructure@orthonode.xyz
• Lead Maintainer: Arhant Barmate (arhant6armate@gmail.com)

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