BlockchainSecurity

  • Post-Quantum Cryptography: The Final Digital Defense Line

    Post-Quantum Cryptography: The Final Digital Defense Line

    The rapid progress of quantum computing has forced a major shift in the foundations of modern cybersecurity. Today’s most widely used cryptographic systems — RSA, Diffie-Hellman, and Elliptic Curve Cryptography (ECC) — were designed under the assumption that certain mathematical problems require an impractical amount of time to solve. Quantum computers break that assumption.…

  • CPU Cache and Side-Channel Attacks: A Silent Threat in Modern Computing

    CPU Cache and Side-Channel Attacks: A Silent Threat in Modern Computing

    1. Introduction: When Speed Becomes a Double-Edged Sword The CPU cache—L1, L2, and L3—is designed to make computing faster. It keeps frequently used data close to the processor, drastically reducing memory latency and improving performance. But this performance boost comes with a critical trade-off: it opens the door to side-channel attacks. These attacks don’t…

  • Persistent Memory in SSDs and Its Security Threats

    Persistent Memory in SSDs and Its Security Threats

    1. Introduction: The Rise of Persistent Memory In recent years, persistent memory technologies have blurred the line between traditional storage and volatile memory. Unlike conventional DRAM, persistent memory retains data even after power is removed, combining low latency, high throughput, and non-volatility. Modern solid-state drives (SSDs) increasingly integrate persistent buffers and caches to improve…

  • AI Privacy and Security: Building a Safer Future

    AI Privacy and Security: Building a Safer Future

    The rapid rise of AI and autonomous AI Agents is forcing humanity to face one uncomfortable fact: granting these systems access to personal data is not just a convenience — it’s a major security gamble. Every “yes” you give to an AI service is effectively opening another door to your digital identity. Let’s be…

  • The Future of AI: Massive Models or a Swarm of Small Intelligent Agents?

    The Future of AI: Massive Models or a Swarm of Small Intelligent Agents?

    Over the past decade, artificial intelligence has experienced a seismic shift from narrow, task-specific systems to powerful general-purpose models. The rapid rise of large language models (LLMs) like GPT-4 and Claude 3 has convinced many that the future of AI belongs to a handful of massive, centralized models. But this vision is being challenged…