Really approachable writing. Fun read!
For people that want to read about other entropy sources: http://www.fourmilab.ch/hotbits/how3.html
For people that want to read about other entropy sources: http://www.fourmilab.ch/hotbits/how3.html
- True quantum source: http://whitewoodsecurity.com/products/entropy-engine/
- Atmospheric noise: https://www.random.org/randomness/
- Avalanche Effect Generators http://holdenc.altervista.org/avalanche/ http://ubld.it/truerng_v3
- Great deck about overall entropy engineering https://www.blackhat.com/docs/us-15/materials/us-15-Potter-U...
And of course "lave wall" we mentioned just takes the cake: https://sploid.gizmodo.com/one-of-the-secrets-guarding-the-s...