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Marco de cadena de bloques con seguridad cuántica para mejorar la seguridad de los datos post-cuánticos

Nalavala Ramanjaneya Reddy1, Supriya Suryadevara2, K Guru Raghavendra Reddy3

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QuantumShield-BC ofrece un marco de blockchain resistente al cuántico que utiliza criptografía post-cuántica y distribución de claves cuánticas. Proporciona una mayor seguridad y rendimiento contra las amenazas cuánticas para la infraestructura crítica.

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Área de la Ciencia:

  • Ciberseguridad
  • La computación cuántica
  • Tecnología Blockchain

Sus antecedentes:

  • Las primitivas criptográficas clásicas (RSA, ECDSA, SHA-256) son vulnerables a los algoritmos cuánticos como los de Shor y Grover.
  • Las estrategias de seguridad blockchain existentes a menudo abordan componentes aislados, que carecen de protección contra amenazas cuánticas de extremo a extremo.
  • Los mecanismos de consenso tradicionales (Prueba de trabajo, Prueba de participación) se enfrentan a vulnerabilidades amplificadas con adversarios cuánticos.

Objetivo del estudio:

  • Para introducir QuantumShield-BC, un marco de blockchain completo diseñado para contrarrestar las amenazas de computación cuántica.
  • Para integrar la criptografía post-cuántica, la distribución cuántica de claves (QKD) y un nuevo mecanismo de consenso cuántico (Q-BFT).
  • Para garantizar la seguridad de extremo a extremo, la escalabilidad y el rendimiento de las redes blockchain en una era post-cuántica.

Principales métodos:

  • Implementación de firmas criptográficas post-cuánticas para la firma segura de las transacciones.
  • Integración de la distribución cuántica de claves (QKD) para el intercambio de claves a prueba de manipulación.
  • Desarrollo de un mecanismo de consenso de tolerancia a fallas bizantinas cuánticas (Q-BFT) utilizando generación de números aleatorios cuánticos (QRNG).

Principales resultados:

  • QuantumShield-BC demuestra una seguridad perfecta contra los ataques de algoritmos simulados de Shor y Grover.
  • El marco alcanza el 0% de efectividad de los ataques de Sybil, eliminando las vulnerabilidades de repetición y hombre en el medio (MITM).
  • Los resultados experimentales muestran un alto rendimiento (> 7.000 TPS con 100 validadores) y una baja latencia de consenso.

Conclusiones:

  • QuantumShield-BC proporciona una solución de blockchain robusta, modular y a prueba de futuro contra las amenazas cuánticas.
  • El marco es adecuado para infraestructuras críticas y ecosistemas de confianza digital que requieren una alta seguridad y escalabilidad.
  • QuantumShield-BC ofrece un marco de blockchain post-cuántico práctico, de alto rendimiento e interoperable.