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Random numbers seem simple on the surface. A game rolls a virtual die, an app generates a password, or a piece of software selects one item from a list. You click, something happens, and the result feels unpredictable.

Behind that small action, though, there is an interesting problem: computers are designed to follow instructions precisely. Give a machine the same input under the same conditions and it will usually return the same result. So how does something built around predictable logic create randomness?

Online casino games make the role of an RNG More >