Arquitectura blockchain híbrida para el registro de historiales médicos
DOI:
https://doi.org/10.26439/interfases2025.n022.8092Palabras clave:
blockchain híbrida, historial médico electrónico, blockchain privada, blockchain públicaResumen
En este trabajo se presenta una arquitectura de blockchain híbrida para mejorar la gestión e interoperabilidad de los historiales médicos electrónicos. Se combina una blockchain pública permisionada basada en Polkadot, la cual gestiona roles y permisos con una blockchain privada implementada en Hyperledger Fabric que, a la vez, está encargada del almacenamiento de los datos médicos de los pacientes. Los registros textuales se guardan en CouchDB, mientras que las imágenes en el IPFS se representan como tokens no fungibles, bajo un enfoque centrado en el paciente. Las pruebas de estrés mostraron latencias promedio de 2050 ms para la creación de historiales médicos electrónicos y 2000 ms para su intercambio, con un uso de CPU del 65 % y memoria de 170 MB, lo que evidencia eficiencia y estabilidad. La arquitectura propuesta demuestra ser una solución escalable y segura para entornos hospitalarios, ya que optimiza recursos y fortalece la confidencialidad de la información médica del paciente.
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