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Note: At 7 min 52 secs "vertical direction" should have been "horizontal direction", sorry about that :/

In this video I explain how public key cryptography works on the internet today, using RSA as example, what the risk is that quantum computers pose for internet security, what post-quantum cryptography is, how quantum key distribution works, and what quantum cryptography is.

0:00 Intro
0:31 Public Key Cryptography
2:43 Risk posed by Quantum Computers
4:03 Post Quantum Cryptography
5:31 Quantum Key Distribution
10:25 Quantum Cryptography and Summary
11:16 NordVPN Sponsor Message
12:28 Thanks

Sound from zapsplat.com

#physics #science #quantum