Executive Summary Post-quantum cryptography is becoming a global capital-investment cycle, not a conventional cybersecurity update.Between 2026 and 2031, governments and companies must identify cryptographic dependencies, redesign trust architectures, test hybrid systems and replace incompatible hardware.The only transparent sovereign cost anchor is the preliminary US$7.1 billion estimate for priority United States federal systems during 2025–2035.The aggregate … Leggi tutto Quantum Migration: The Hidden Industrial Bill