Investigación Research

Security Issues of a Decentralized Blockchain-Based Messaging System Security Issues of a Decentralized Blockchain-Based Messaging System

Sistema de mensajería descentralizado basado en blockchain con cifrado de clave pública (aes128-ctr). Analiza vulnerabilidades clave de la arquitectura — ataque del 51%, problema del doble gasto y limitaciones de velocidad de verificación — y propone soluciones aplicables a cualquier red blockchain. Presentado en congreso internacional. Decentralized blockchain-based messaging system using public-key cryptography (aes128-ctr). Analyzes key architectural vulnerabilities — 51% attacks, double-spending, and verification speed — and proposes solutions applicable to any blockchain network. Presented at an international conference.