Maintaining a Silver distribution channel costs roughly 30% to 40% of the original development cost annually. Why?

| Measure | Implementation | |---------|----------------| | | Enforce TLS 1.3 for repo endpoints | | Pin public key | Embed GPG or Sigstore public key in client binary | | TUF (The Update Framework) | Use TUF to prevent rollback / mix‑and‑match attacks | | Expiry metadata | Release metadata expires every 30 days | | Audit logs | Log every silver distribution download |