Is it possible for devices on an online group chat to toss a coin without trusting each other and the server?
Is it possible for devices on an online group chat to toss a coin without trusting each other and the server?
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If you're interested in that kind of problems, here's some pointer: https://en.m.wikipedia.org/wiki/Secure_multi-party_computation
For a more frivolous, but equally rigorous, approach
There's an actual article on [remote coin-flipping] (https://en.m.wikipedia.org/wiki/Coin_flipping#Telecommunications)
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