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The Lava Lamps That Help Keep The Internet Secure

Tom Scott · explainer · Watch on YouTube

CryptographyProbability & game theory

What it is

Tom Scott visits Cloudflare's San Francisco office to show the wall of lava lamps whose camera feed is used as a source of entropy for random number generation. It is a short explainer on how this helps secure internet encryption.

Why Hacker News recommends it

The go-to short explanation whenever lava lamps, entropy sources, or Cloudflare randomness come up.

  • 1 people recommended it
  • 1 different months
  • 0 strong recommendations
  • first 2017, last 2024

What HN commenters said

  1. “There's a good Tom Scott video on this too.”

    Tom Scott on Cloudflare's lava lamp entropy wall

    ceph_, 2017-12 · Recommendation · in “A wall of lava lamps helps encrypt the internet”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: cloudflare, lava lamps, entropy, cryptography, random numbers

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