> ## Documentation Index
> Fetch the complete documentation index at: https://docs.velumx.xyz/llms.txt
> Use this file to discover all available pages before exploring further.

# Security compliance

# Security Audit & Protocol Verification

This report summarizes the comprehensive security audit performed on the VelumX Protocol infrastructure, encompassing the Relayer Network, SDK architecture, and Clarity smart contracts.

## 1. Audit Methodology

The assessment employed a multi-layered security verification process:

* **Static Analysis**: Automated and manual review of the TypeScript and Clarity codebases.
* **Dynamic Analysis**: Testing typical attack vectors (SQLi, XSS, Reentrancy) in a simulated testnet environment.
* **Economic Stress Testing**: Verifying the integrity of the fee engine and relayer solvency under extreme oracle volatility.

## 2. High-Level Risk Assessment

| Component            | Security Status | Primary Controls                                      |
| :------------------- | :-------------- | :---------------------------------------------------- |
| **Relayer Auth**     | 🟢 Verified     | Supabase JWT with asymmetric JWKS rotation.           |
| **Data Persistence** | 🟢 Verified     | Prisma ORM with strict parameterized querying.        |
| **Smart Contracts**  | 🟢 Verified     | Stacks-native sponsorship with atomic fee settlement. |
| **SDK Credentials**  | 🟢 Verified     | Required Server-Side Proxy enforcement.               |

***

## 3. Findings & Remediations

### \[VX-2026-001] Production CORS Configuration

**Severity**: **Medium**\
**Component**: Relayer API Gateway\
**Description**: The initial development configuration allowed for dynamic origin resolution which could lead to unauthorized cross-origin requests in production.\
**Remediation**: Reconfigured the middleware to enforce a strict whitelist of verified Dashboard and dApp domains.

### \[VX-2026-002] Client-Side Credential exposure

**Severity**: **High** (Mitigated)\
**Component**: SDK Initialization\
**Description**: Early versions of the SDK allowed for API Key storage in the browser environment.\
**Remediation**: Implemented the **Secure Proxy Pattern**. The SDK now prohibits the inclusion of secret keys in client bundles, requiring a server-side handshake.

***

## 4. Operational Security Assumptions

The security of the VelumX protocol relies on the following operational assumptions:

1. **Developer Integrity**: Developers must implement the Secure Proxy correctly to prevent key leakage.
2. **Oracle Reliability**: The multi-oracle price engine assumes that at least one primary source (CoinGecko/Binance) remains uncompromised.
3. **Master Key Protection**: The VelumX Master Key (for relayer derivation) is managed via encrypted environment injection and is never stored in source control.

## 5. Formal Verification & Compliance

> \[!IMPORTANT]
> **Audit Status**: Internal verification is complete. **External Third-Party Audits** of the v5 Registry Architecture are scheduled for Q3 2026.

Developers wishing to review the full security specifications should consult the [Technical Architecture](architecture/transaction-lifecycle) and [Throttling Quotas](infrastructure/throttling) modules.