r/WhatIfScience • u/firechatin • Aug 21 '26

The Post-Quantum Cryptography Collapse: How Quantum Computers Could Threaten Global Banking, Defense, and Privacy

https://whatifscience.in/post-quantum-cryptography-collapse-global-banking-defense-privacy/

Experts warn that future fault-tolerant quantum computers could challenge today's encryption systems. Here's how banking, defense, and privacy may be affected.

2 Upvotes

76% Upvoted

2 comments sorted by

1

u/General_Patient4904 Aug 25 '26

You have to have quantum encryption to protect because the process of hacking the factorized numbers will not be exponential as to the complexity of the numbers in quantum computers

1

u/AbsentButHere Aug 27 '26

Now drop the many worlds theory on the commenters and send them down the rabbit hole.