Creating random numbers with Lava Lamps at Cloudflare (2017)
Pretty cool analogue way to get randomness. There are a lot of solutions, this is one.
5 comments
I miss Tom Scott
He's still around! He hosts a trivia podcast called Lateral.
The lava lamps are just a gimmick and evening filming a white wall (as long as the video is not overexposed) would be just as random/secure because of the avalanche effect of cryptographically secure hash functions and the thermal noise of cameras.
I miss Tom Scott
He's still around! He hosts a trivia podcast called Lateral.