According to this post on the official V8 Javascript blog, the pseudo-random number generator (PRNG) that V8 Javascript uses in Math.random() is horribly flawed and getting replaced with something … ...

They tested their crystal-enabled random number generator against a frequently used pseudorandom number generator called the Mersenne Twister.

Whether it’s a game of D&D or encrypting top-secret information, a wide array of methods are available for generating the needed random numbers with high enough entropy for their use case. For a ...

True random number generators, on the other hand, use a real-world source to create seeds – like mouse movements, temperature, or the time between keystrokes on a keyboard.