How Quantum Encryption Can Keep The NSA From Spying On You

The nature of communication is changing.

Edward Snowden brought the NSA’s domestic spying program to center attention and now plenty of casual Internet users care about security. This has spurred the development of some novel technologies to facilitate secure communication online.

Quantum cryptography is probably the most promising of these. It relies on the underlying principles of quantum physics to carry a message from A to B without any third parties interfering.

Here’s a rundown on how it works, and why one day your credit card purchases online might be protected and transmitted as photons of light!

NOW WATCH: Tech Insider videos

Want to read a more in-depth view on the trends influencing Australian business and the global economy? BI / Research is designed to help executives and industry leaders understand the major challenges and opportunities for industry, technology, strategy and the economy in the future. Sign up for free at