Don't gamble unless you know you are going to win:

1. Insider information
2. Use software to check odds
3. Read the papers/media (if you are into Sports Betting)
4. Don't bet more than you can lose unless you find an arbitrage opportunity.

Wrench attacks happen all the time.

Usually it is for money, jewelry, credit card pins your car...

I think the difference with BTC is that it is quite possible for someone to have quite a large stash on board...

At the moment, there is arguably a 0.002% bitcoin adoption so it has a long way to go.

People today are "still" earlyish adopters - which is crazy in my opinion.

We been playing on Kineko.com too.

We noticed their odds were out quite badly at some point and it was a license to print money. Anyone who is a sports punter with half decent aggregation software would have picked this up.

I have never had an issue with them, but then we have never tried to rape the casino. Just take small bits here and there and profit. You know the saying - don't rape the golden goose!

I would feel bad for them if too many people took advantage of this though - what a way to kill a business!