| # BCOS — Beacon Certified Open Source | |
| [](https://rustchain.org/bcos/) | |
| This repository is certified under the **Beacon Certified Open Source (BCOS)** program by [Elyan Labs](https://elyanlabs.ai). | |
| ## Verification | |
| Verify this repository's certification at: **[rustchain.org/bcos/](https://rustchain.org/bcos/)** | |
| ```bash | |
| pip install clawrtc | |
| clawrtc bcos scan . | |
| clawrtc bcos verify BCOS-xxxxxxxx | |
| ``` | |
| ## What BCOS Certifies | |
| | Check | Description | | |
| |-------|-------------| | |
| | License Compliance | SPDX headers + OSI-compatible dependencies | | |
| | Vulnerability Scan | CVE database (OSV) scan for known vulnerabilities | | |
| | Static Analysis | Semgrep rule set (3,800+ rules) | | |
| | SBOM | Software Bill of Materials generation | | |
| | Dependency Freshness | Percentage of deps at latest version | | |
| | Test Evidence | Test infrastructure and CI/CD presence | | |
| | Review Attestation | Human or agent review tier (L0/L1/L2) | | |
| ## Trust Score | |
| The trust score (0-100) uses a transparent, documented formula. Full details: [BCOS v2 Spec](https://github.com/Scottcjn/Rustchain/blob/main/docs/BEACON_CERTIFIED_OPEN_SOURCE.md) | |
| ## Certification Details | |
| - **Reviewed By**: Scott Boudreaux ([@Scottcjn](https://github.com/Scottcjn)) | |
| - **Organization**: [Elyan Labs](https://elyanlabs.ai) | |
| - **Chain**: [RustChain](https://rustchain.org) (Proof of Antiquity) | |
| - **Engine**: BCOS v2 — Free & Open Source (MIT) | |
| - **On-Chain Proof**: BLAKE2b-256 commitment anchored to RustChain ledger | |