I am not much into gambling, but someone asked me to do some research on a blockchain-based lottery project and I would like to get some advice.
Experiencing the existing lottery site would be easier for you to answer your question or gather information about your research.
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I played them all already. And I have a lot of questions about how they work and operate.
Seems like freebitco.in lottery works on ZKP principle. But I still have to figure out if so called "client seed" is sent to server before getting SHA256 of "server seed".
If any of y'all did or know of some research done on this lottery that would be fantastic.