True Random

True Random
random-memes, security-memes, cryptography-memes, cloudflare-memes, entropy-memes | ProgrammerHumor.io

When someone asks for a random number generator and you show up with a wall of lava lamps. Because apparently, the chaotic movement of blobs in lava lamps is more trustworthy than your computer's pseudo-random number generator.

Fun fact: Cloudflare actually uses a wall of lava lamps (called LavaRand) to generate truly random numbers for cryptographic keys. They photograph the lamps and use the unpredictable patterns as entropy. It's one of those rare moments where the ridiculous solution is actually the correct one.

Meanwhile, your average developer is still using Math.random() and calling it a day. The skeptical look in the last panel? That's every security engineer when you tell them your RNG is "good enough."

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