{
  "id": 8546460,
  "title": "Distributed nodes tamper-proof: SHA-256 code integrity.",
  "url": "https://urgent.news/2026/09/19/nodos-distribuidos-a-prueba-de-manipulacion-integridad-de-codigo-sha",
  "topic": "tech",
  "section": "Tech",
  "published": "2026-09-19T22:08:43.000Z",
  "source": {
    "name": "Dev.to",
    "slug": "dev-to",
    "url": "https://dev.to/william_rodriguez_65a5898/nodos-distribuidos-a-prueba-de-manipulacion-integridad-de-codigo-sha-256-2oae"
  },
  "original_language": "es",
  "account": "The article discusses wFabricSecurity, an open-source solution for ensuring the integrity of code in Hyperledger Fabric environments. It verifies the SHA-256 hash of critical files before execution, detecting any tampering or alterations. The implementation involves registering files, such as worker_logic.py and contract_gateway.py, with a specific version, and verifying the code integrity using a try-except block. The solution has been tested and verified in Hyperledger Fabric environments and is compatible with Python 3.10+. wFabricSecurity is available on GitHub and PyPI, developed by William Steve Rodríguez Villamizar of Wisrovi.",
  "summary": "Día 03 de la serie técnica wFabricSecurity Open Source. ¿Cómo sabes que el worker que envía transacciones al blockchain no fue alterado en disco? wFabricSecurity verifica la integridad SHA-256 del código antes de ejecutar. Los Problemas Reales Atacantes inyectando backdoors o alterando scripts Python directamente en servidores Desajuste de configuración silencioso entre flotas de nodos de…",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}