Good randomness is hard to find. John Graham-Cumming, programmer-turned-CTO of Cloudflare, found it in lava lamps. “It turns out that computers are really bad at generating random numbers. The only ...

Randomness sits at the heart of everything we do online. Many encryption algorithms depend upon randomly generated numbers to work, and that’s just one example of many. But how random is random? It’s ...

Edge compute and network firm Cloudflare has deployed a series of wave machines at its office in Portugal as a source of random number generation for its network encryption. In a blog post this week, ...

Most people have probably never been to Cloudflare's San Francisco office, but those who have been there would have noticed a large wall of lava lamps in the lobby. It is hard to miss—after all, it is ...