We used to determine first player in games by having one person pick a number and one person pick a player (writing each secretly on paper or flashing some fingers to a third party as a commitment scheme). You'd then count that number of spots from that player.<p>This sort of "randomness through unwitting collusion" reminded me of that.<p>That and coin flipping protocols:
<a href="https://en.wikipedia.org/wiki/Coin_flipping#Coin_flipping_in_telecommunications" rel="nofollow">https://en.wikipedia.org/wiki/Coin_flipping#Coin_flipping_in...</a><p>(Admittedly, shuffling an entire list seems fancier, like you're getting much more work out of it.)