There's probably an interesting bias behind whether people properly take into account threats that are low frequency but high penalty.
Maybe poker players. Also how practical is your system, e.g., how long would it take to shuffle a deck of cards with it?
Intrade, the prediction market website, has shutdown. According to their website:
With sincere regret we must inform you that due to circumstances recently discovered we must immediately cease trading activity on www.intrade.com.
These circumstances require immediate further investigation, and may include financial irregularities which in accordance with Irish law oblige the directors to take the following actions:
During the upcoming weeks, we will investigate these circumstances further and determine the necessary course of action.
Here's a link to an article on the slashdot website with more information about it:
http://slashdot.org/topic/bi/intrade-shuts-down-under-murky-circumstances/
Has anyone looked into the feasibility of creating an open source version of something similar, using a distributed application and a microcurrency (such as bitcoin), that couldn't be shutdown?