Part 7/10:
Cryptography Vulnerability: Quantum computers could crack current encryption schemes instantly, threatening all online security—banking, communications, military secrets, and data privacy become at risk. Cryptocurrencies like Bitcoin, which rely on cryptography, could be rendered obsolete.
National Security Threats: Quantum decryption capabilities could compromise military communications and critical infrastructure, leading to unprecedented cybersecurity vulnerabilities.
Enormous Energy Demands: Building and operating quantum computers requires enormous amounts of power; managing this at scale presents logistical challenges.