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It would be utterly futile, if you'll _never_ see a winning scratch card.

However, the fact that the 'randomness' has already taken place when you receive your card (vs. happening while you scratch), makes no difference concerning your chances to win or loose.

It's an interesting psychological issue that comes up in AI sometimes. There's a certain cachet to something being "online", in the sense that it's literally generating something on the spot, even if it's with a fairly simple process. But consider this transformation: take a generative art piece, pre-generate 100 billion output instances, throw them in a big database, and then the online code is: randomly select a piece of art to show the viewer. No actual practical difference, as long as you've pre-sampled so many instances that the user could never reasonably see any repeats. The space of variation is the same; in terms of what you get out it's just as generative as before, just with a different choice on the typical algorithmic time/space, online/offline tradeoffs. But the rhetoric is a much harder sell.

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