>It's more like a two-party roll of a die with a practically infinite number of faces. If both rolls sum even, Alice wins. Otherwise, Bob wins.
What you are describing is a coin flipping protocol [0].
From the article:
>To my knowledge this is the first time someone has proposed such a scheme on Bitcoin though I suppose it's possible it has come up before and I just missed it.
There have been coin flipping protocols for Bitcoin since at least 2013-2014 [1]. The main contribution of the above post appears to be that they actually performed the protocol which is neat and quite a bit of work.
What you are describing is a coin flipping protocol [0].
From the article:
>To my knowledge this is the first time someone has proposed such a scheme on Bitcoin though I suppose it's possible it has come up before and I just missed it.
There have been coin flipping protocols for Bitcoin since at least 2013-2014 [1]. The main contribution of the above post appears to be that they actually performed the protocol which is neat and quite a bit of work.
[0]: https://en.wikipedia.org/wiki/Commitment_scheme#Coin_flippin...
[1]: Back, Bentov (2014) https://arxiv.org/abs/1402.3698